398564400

素因数分解:

$2^4\times 3^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{881}}^1$

素因数の和:944

約数の個数: 240

約数和(自身を含む): 1423971360

約数和(自身を除く): 1025406960

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 20, 24, 25, 26, 29, 30, 39, 40, 48, 50, 52, 58, 60, 65, 75, 78, 80, 87, 100, 104, 116, 120, 130, 145, 150, 156, 174, 195, 200, 208, 232, 240, 260, 290, 300, 312, 325, 348, 377, 390, 400, 435, 464, 520, 580, 600, 624, 650, 696, 725, 754, 780, 870, 881, 975, 1040, 1131, 1160, 1200, 1300, 1392, 1450, 1508, 1560, 1740, 1762, 1885, 1950, 2175, 2262, 2320, 2600, 2643, 2900, 3016, 3120, 3480, 3524, 3770, 3900, 4350, 4405, 4524, 5200, 5286, 5655, 5800, 6032, 6960, 7048, 7540, 7800, 8700, 8810, 9048, 9425, 10572, 11310, 11453, 11600, 13215, 14096, 15080, 15600, 17400, 17620, 18096, 18850, 21144, 22025, 22620, 22906, 25549, 26430, 28275, 30160, 34359, 34800, 35240, 37700, 42288, 44050, 45240, 45812, 51098, 52860, 56550, 57265, 66075, 68718, 70480, 75400, 76647, 88100, 90480, 91624, 102196, 105720, 113100, 114530, 127745, 132150, 137436, 150800, 153294, 171795, 176200, 183248, 204392, 211440, 226200, 229060, 255490, 264300, 274872, 286325, 306588, 332137, 343590, 352400, 383235, 408784, 452400, 458120, 510980, 528600, 549744, 572650, 613176, 638725, 664274, 687180, 766470, 858975, 916240, 996411, 1021960, 1057200, 1145300, 1226352, 1277450, 1328548, 1374360, 1532940, 1660685, 1717950, 1916175, 1992822, 2043920, 2290600, 2554900, 2657096, 2748720, 3065880, 3321370, 3435900, 3832350, 3985644, 4581200, 4982055, 5109800, 5314192, 6131760, 6642740, 6871800, 7664700, 7971288, 8303425, 9964110, 10219600, 13285480, 13743600, 15329400, 15942576, 16606850, 19928220, 24910275, 26570960, 30658800, 33213700, 39856440, 49820550, 66427400, 79712880, 99641100, 132854800, 199282200, 398564400]

約数ペア:

[(1, 398564400), (2, 199282200), (3, 132854800), (4, 99641100), (5, 79712880), (6, 66427400), (8, 49820550), (10, 39856440), (12, 33213700), (13, 30658800), (15, 26570960), (16, 24910275), (20, 19928220), (24, 16606850), (25, 15942576), (26, 15329400), (29, 13743600), (30, 13285480), (39, 10219600), (40, 9964110), (48, 8303425), (50, 7971288), (52, 7664700), (58, 6871800), (60, 6642740), (65, 6131760), (75, 5314192), (78, 5109800), (80, 4982055), (87, 4581200), (100, 3985644), (104, 3832350), (116, 3435900), (120, 3321370), (130, 3065880), (145, 2748720), (150, 2657096), (156, 2554900), (174, 2290600), (195, 2043920), (200, 1992822), (208, 1916175), (232, 1717950), (240, 1660685), (260, 1532940), (290, 1374360), (300, 1328548), (312, 1277450), (325, 1226352), (348, 1145300), (377, 1057200), (390, 1021960), (400, 996411), (435, 916240), (464, 858975), (520, 766470), (580, 687180), (600, 664274), (624, 638725), (650, 613176), (696, 572650), (725, 549744), (754, 528600), (780, 510980), (870, 458120), (881, 452400), (975, 408784), (1040, 383235), (1131, 352400), (1160, 343590), (1200, 332137), (1300, 306588), (1392, 286325), (1450, 274872), (1508, 264300), (1560, 255490), (1740, 229060), (1762, 226200), (1885, 211440), (1950, 204392), (2175, 183248), (2262, 176200), (2320, 171795), (2600, 153294), (2643, 150800), (2900, 137436), (3016, 132150), (3120, 127745), (3480, 114530), (3524, 113100), (3770, 105720), (3900, 102196), (4350, 91624), (4405, 90480), (4524, 88100), (5200, 76647), (5286, 75400), (5655, 70480), (5800, 68718), (6032, 66075), (6960, 57265), (7048, 56550), (7540, 52860), (7800, 51098), (8700, 45812), (8810, 45240), (9048, 44050), (9425, 42288), (10572, 37700), (11310, 35240), (11453, 34800), (11600, 34359), (13215, 30160), (14096, 28275), (15080, 26430), (15600, 25549), (17400, 22906), (17620, 22620), (18096, 22025), (18850, 21144)]