31910109980

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{1459}}^1\times {\mathrm{5387}}^1$

素因数の和:6891

約数の個数: 96

約数和(自身を含む): 79294118400

約数和(自身を除く): 47384008420

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 29, 35, 58, 70, 116, 140, 145, 203, 290, 406, 580, 812, 1015, 1459, 2030, 2918, 4060, 5387, 5836, 7295, 10213, 10774, 14590, 20426, 21548, 26935, 29180, 37709, 40852, 42311, 51065, 53870, 75418, 84622, 102130, 107740, 150836, 156223, 169244, 188545, 204260, 211555, 296177, 312446, 377090, 423110, 592354, 624892, 754180, 781115, 846220, 1093561, 1184708, 1480885, 1562230, 2187122, 2961770, 3124460, 4374244, 5467805, 5923540, 7859633, 10935610, 15719266, 21871220, 31438532, 39298165, 55017431, 78596330, 110034862, 157192660, 220069724, 227929357, 275087155, 455858714, 550174310, 911717428, 1100348620, 1139646785, 1595505499, 2279293570, 3191010998, 4558587140, 6382021996, 7977527495, 15955054990, 31910109980]

約数ペア:

[(1, 31910109980), (2, 15955054990), (4, 7977527495), (5, 6382021996), (7, 4558587140), (10, 3191010998), (14, 2279293570), (20, 1595505499), (28, 1139646785), (29, 1100348620), (35, 911717428), (58, 550174310), (70, 455858714), (116, 275087155), (140, 227929357), (145, 220069724), (203, 157192660), (290, 110034862), (406, 78596330), (580, 55017431), (812, 39298165), (1015, 31438532), (1459, 21871220), (2030, 15719266), (2918, 10935610), (4060, 7859633), (5387, 5923540), (5836, 5467805), (7295, 4374244), (10213, 3124460), (10774, 2961770), (14590, 2187122), (20426, 1562230), (21548, 1480885), (26935, 1184708), (29180, 1093561), (37709, 846220), (40852, 781115), (42311, 754180), (51065, 624892), (53870, 592354), (75418, 423110), (84622, 377090), (102130, 312446), (107740, 296177), (150836, 211555), (156223, 204260), (169244, 188545)]