2004389940

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{153947}}^1$

素因数の和:153997

約数の個数: 96

約数和(自身を含む): 6620995584

約数和(自身を除く): 4616605644

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 31, 35, 42, 60, 62, 70, 84, 93, 105, 124, 140, 155, 186, 210, 217, 310, 372, 420, 434, 465, 620, 651, 868, 930, 1085, 1302, 1860, 2170, 2604, 3255, 4340, 6510, 13020, 153947, 307894, 461841, 615788, 769735, 923682, 1077629, 1539470, 1847364, 2155258, 2309205, 3078940, 3232887, 4310516, 4618410, 4772357, 5388145, 6465774, 9236820, 9544714, 10776290, 12931548, 14317071, 16164435, 19089428, 21552580, 23861785, 28634142, 32328870, 33406499, 47723570, 57268284, 64657740, 66812998, 71585355, 95447140, 100219497, 133625996, 143170710, 167032495, 200438994, 286341420, 334064990, 400877988, 501097485, 668129980, 1002194970, 2004389940]

約数ペア:

[(1, 2004389940), (2, 1002194970), (3, 668129980), (4, 501097485), (5, 400877988), (6, 334064990), (7, 286341420), (10, 200438994), (12, 167032495), (14, 143170710), (15, 133625996), (20, 100219497), (21, 95447140), (28, 71585355), (30, 66812998), (31, 64657740), (35, 57268284), (42, 47723570), (60, 33406499), (62, 32328870), (70, 28634142), (84, 23861785), (93, 21552580), (105, 19089428), (124, 16164435), (140, 14317071), (155, 12931548), (186, 10776290), (210, 9544714), (217, 9236820), (310, 6465774), (372, 5388145), (420, 4772357), (434, 4618410), (465, 4310516), (620, 3232887), (651, 3078940), (868, 2309205), (930, 2155258), (1085, 1847364), (1302, 1539470), (1860, 1077629), (2170, 923682), (2604, 769735), (3255, 615788), (4340, 461841), (6510, 307894), (13020, 153947)]