397913400

素因数分解:

$2^3\times 3^2\times 5^2\times {\mathrm{43}}^1\times {\mathrm{53}}^1\times {\mathrm{97}}^1$

素因数の和:215

約数の個数: 288

約数和(自身を含む): 1407566160

約数和(自身を除く): 1009652760

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 25, 30, 36, 40, 43, 45, 50, 53, 60, 72, 75, 86, 90, 97, 100, 106, 120, 129, 150, 159, 172, 180, 194, 200, 212, 215, 225, 258, 265, 291, 300, 318, 344, 360, 387, 388, 424, 430, 450, 477, 485, 516, 530, 582, 600, 636, 645, 774, 776, 795, 860, 873, 900, 954, 970, 1032, 1060, 1075, 1164, 1272, 1290, 1325, 1455, 1548, 1590, 1720, 1746, 1800, 1908, 1935, 1940, 2120, 2150, 2279, 2328, 2385, 2425, 2580, 2650, 2910, 3096, 3180, 3225, 3492, 3816, 3870, 3880, 3975, 4171, 4300, 4365, 4558, 4770, 4850, 5141, 5160, 5300, 5820, 6360, 6450, 6837, 6984, 7275, 7740, 7950, 8342, 8600, 8730, 9116, 9540, 9675, 9700, 10282, 10600, 11395, 11640, 11925, 12513, 12900, 13674, 14550, 15423, 15480, 15900, 16684, 17460, 18232, 19080, 19350, 19400, 20511, 20564, 20855, 21825, 22790, 23850, 25026, 25705, 25800, 27348, 29100, 30846, 31800, 33368, 34185, 34920, 37539, 38700, 41022, 41128, 41710, 43650, 45580, 46269, 47700, 50052, 51410, 54696, 56975, 58200, 61692, 62565, 68370, 75078, 77115, 77400, 82044, 83420, 87300, 91160, 92538, 95400, 100104, 102555, 102820, 104275, 113950, 123384, 125130, 128525, 136740, 150156, 154230, 164088, 166840, 170925, 174600, 185076, 187695, 205110, 205640, 208550, 221063, 227900, 231345, 250260, 257050, 273480, 300312, 308460, 312825, 341850, 370152, 375390, 385575, 410220, 417100, 442126, 455800, 462690, 500520, 512775, 514100, 616920, 625650, 663189, 683700, 750780, 771150, 820440, 834200, 884252, 925380, 938475, 1025550, 1028200, 1105315, 1156725, 1251300, 1326378, 1367400, 1501560, 1542300, 1768504, 1850760, 1876950, 1989567, 2051100, 2210630, 2313450, 2502600, 2652756, 3084600, 3315945, 3753900, 3979134, 4102200, 4421260, 4626900, 5305512, 5526575, 6631890, 7507800, 7958268, 8842520, 9253800, 9947835, 11053150, 13263780, 15916536, 16579725, 19895670, 22106300, 26527560, 33159450, 39791340, 44212600, 49739175, 66318900, 79582680, 99478350, 132637800, 198956700, 397913400]

約数ペア:

[(1, 397913400), (2, 198956700), (3, 132637800), (4, 99478350), (5, 79582680), (6, 66318900), (8, 49739175), (9, 44212600), (10, 39791340), (12, 33159450), (15, 26527560), (18, 22106300), (20, 19895670), (24, 16579725), (25, 15916536), (30, 13263780), (36, 11053150), (40, 9947835), (43, 9253800), (45, 8842520), (50, 7958268), (53, 7507800), (60, 6631890), (72, 5526575), (75, 5305512), (86, 4626900), (90, 4421260), (97, 4102200), (100, 3979134), (106, 3753900), (120, 3315945), (129, 3084600), (150, 2652756), (159, 2502600), (172, 2313450), (180, 2210630), (194, 2051100), (200, 1989567), (212, 1876950), (215, 1850760), (225, 1768504), (258, 1542300), (265, 1501560), (291, 1367400), (300, 1326378), (318, 1251300), (344, 1156725), (360, 1105315), (387, 1028200), (388, 1025550), (424, 938475), (430, 925380), (450, 884252), (477, 834200), (485, 820440), (516, 771150), (530, 750780), (582, 683700), (600, 663189), (636, 625650), (645, 616920), (774, 514100), (776, 512775), (795, 500520), (860, 462690), (873, 455800), (900, 442126), (954, 417100), (970, 410220), (1032, 385575), (1060, 375390), (1075, 370152), (1164, 341850), (1272, 312825), (1290, 308460), (1325, 300312), (1455, 273480), (1548, 257050), (1590, 250260), (1720, 231345), (1746, 227900), (1800, 221063), (1908, 208550), (1935, 205640), (1940, 205110), (2120, 187695), (2150, 185076), (2279, 174600), (2328, 170925), (2385, 166840), (2425, 164088), (2580, 154230), (2650, 150156), (2910, 136740), (3096, 128525), (3180, 125130), (3225, 123384), (3492, 113950), (3816, 104275), (3870, 102820), (3880, 102555), (3975, 100104), (4171, 95400), (4300, 92538), (4365, 91160), (4558, 87300), (4770, 83420), (4850, 82044), (5141, 77400), (5160, 77115), (5300, 75078), (5820, 68370), (6360, 62565), (6450, 61692), (6837, 58200), (6984, 56975), (7275, 54696), (7740, 51410), (7950, 50052), (8342, 47700), (8600, 46269), (8730, 45580), (9116, 43650), (9540, 41710), (9675, 41128), (9700, 41022), (10282, 38700), (10600, 37539), (11395, 34920), (11640, 34185), (11925, 33368), (12513, 31800), (12900, 30846), (13674, 29100), (14550, 27348), (15423, 25800), (15480, 25705), (15900, 25026), (16684, 23850), (17460, 22790), (18232, 21825), (19080, 20855), (19350, 20564), (19400, 20511)]