447249400

素因数分解:

$2^3\times 5^2\times {\mathrm{13}}^1\times {\mathrm{31}}^2\times {\mathrm{179}}^1$

素因数の和:270

約数の個数: 144

約数和(自身を含む): 1163597400

約数和(自身を除く): 716348000

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 25, 26, 31, 40, 50, 52, 62, 65, 100, 104, 124, 130, 155, 179, 200, 248, 260, 310, 325, 358, 403, 520, 620, 650, 716, 775, 806, 895, 961, 1240, 1300, 1432, 1550, 1612, 1790, 1922, 2015, 2327, 2600, 3100, 3224, 3580, 3844, 4030, 4475, 4654, 4805, 5549, 6200, 7160, 7688, 8060, 8950, 9308, 9610, 10075, 11098, 11635, 12493, 16120, 17900, 18616, 19220, 20150, 22196, 23270, 24025, 24986, 27745, 35800, 38440, 40300, 44392, 46540, 48050, 49972, 55490, 58175, 62465, 72137, 80600, 93080, 96100, 99944, 110980, 116350, 124930, 138725, 144274, 172019, 192200, 221960, 232700, 249860, 277450, 288548, 312325, 344038, 360685, 465400, 499720, 554900, 577096, 624650, 688076, 721370, 860095, 1109800, 1249300, 1376152, 1442740, 1720190, 1803425, 2236247, 2498600, 2885480, 3440380, 3606850, 4300475, 4472494, 6880760, 7213700, 8600950, 8944988, 11181235, 14427400, 17201900, 17889976, 22362470, 34403800, 44724940, 55906175, 89449880, 111812350, 223624700, 447249400]

約数ペア:

[(1, 447249400), (2, 223624700), (4, 111812350), (5, 89449880), (8, 55906175), (10, 44724940), (13, 34403800), (20, 22362470), (25, 17889976), (26, 17201900), (31, 14427400), (40, 11181235), (50, 8944988), (52, 8600950), (62, 7213700), (65, 6880760), (100, 4472494), (104, 4300475), (124, 3606850), (130, 3440380), (155, 2885480), (179, 2498600), (200, 2236247), (248, 1803425), (260, 1720190), (310, 1442740), (325, 1376152), (358, 1249300), (403, 1109800), (520, 860095), (620, 721370), (650, 688076), (716, 624650), (775, 577096), (806, 554900), (895, 499720), (961, 465400), (1240, 360685), (1300, 344038), (1432, 312325), (1550, 288548), (1612, 277450), (1790, 249860), (1922, 232700), (2015, 221960), (2327, 192200), (2600, 172019), (3100, 144274), (3224, 138725), (3580, 124930), (3844, 116350), (4030, 110980), (4475, 99944), (4654, 96100), (4805, 93080), (5549, 80600), (6200, 72137), (7160, 62465), (7688, 58175), (8060, 55490), (8950, 49972), (9308, 48050), (9610, 46540), (10075, 44392), (11098, 40300), (11635, 38440), (12493, 35800), (16120, 27745), (17900, 24986), (18616, 24025), (19220, 23270), (20150, 22196)]