28789800

素因数分解:

$2^3\times 3^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{3691}}^1$

素因数の和:3723

約数の個数: 96

約数和(自身を含む): 96139680

約数和(自身を除く): 67349880

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 24, 25, 26, 30, 39, 40, 50, 52, 60, 65, 75, 78, 100, 104, 120, 130, 150, 156, 195, 200, 260, 300, 312, 325, 390, 520, 600, 650, 780, 975, 1300, 1560, 1950, 2600, 3691, 3900, 7382, 7800, 11073, 14764, 18455, 22146, 29528, 36910, 44292, 47983, 55365, 73820, 88584, 92275, 95966, 110730, 143949, 147640, 184550, 191932, 221460, 239915, 276825, 287898, 369100, 383864, 442920, 479830, 553650, 575796, 719745, 738200, 959660, 1107300, 1151592, 1199575, 1439490, 1919320, 2214600, 2399150, 2878980, 3598725, 4798300, 5757960, 7197450, 9596600, 14394900, 28789800]

約数ペア:

[(1, 28789800), (2, 14394900), (3, 9596600), (4, 7197450), (5, 5757960), (6, 4798300), (8, 3598725), (10, 2878980), (12, 2399150), (13, 2214600), (15, 1919320), (20, 1439490), (24, 1199575), (25, 1151592), (26, 1107300), (30, 959660), (39, 738200), (40, 719745), (50, 575796), (52, 553650), (60, 479830), (65, 442920), (75, 383864), (78, 369100), (100, 287898), (104, 276825), (120, 239915), (130, 221460), (150, 191932), (156, 184550), (195, 147640), (200, 143949), (260, 110730), (300, 95966), (312, 92275), (325, 88584), (390, 73820), (520, 55365), (600, 47983), (650, 44292), (780, 36910), (975, 29528), (1300, 22146), (1560, 18455), (1950, 14764), (2600, 11073), (3691, 7800), (3900, 7382)]