31991700

素因数分解:

$2^2\times 3^1\times 5^2\times {\mathrm{13}}^2\times {\mathrm{631}}^1$

素因数の和:674

約数の個数: 108

約数和(自身を含む): 100389408

約数和(自身を除く): 68397708

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 25, 26, 30, 39, 50, 52, 60, 65, 75, 78, 100, 130, 150, 156, 169, 195, 260, 300, 325, 338, 390, 507, 631, 650, 676, 780, 845, 975, 1014, 1262, 1300, 1690, 1893, 1950, 2028, 2524, 2535, 3155, 3380, 3786, 3900, 4225, 5070, 6310, 7572, 8203, 8450, 9465, 10140, 12620, 12675, 15775, 16406, 16900, 18930, 24609, 25350, 31550, 32812, 37860, 41015, 47325, 49218, 50700, 63100, 82030, 94650, 98436, 106639, 123045, 164060, 189300, 205075, 213278, 246090, 319917, 410150, 426556, 492180, 533195, 615225, 639834, 820300, 1066390, 1230450, 1279668, 1599585, 2132780, 2460900, 2665975, 3199170, 5331950, 6398340, 7997925, 10663900, 15995850, 31991700]

約数ペア:

[(1, 31991700), (2, 15995850), (3, 10663900), (4, 7997925), (5, 6398340), (6, 5331950), (10, 3199170), (12, 2665975), (13, 2460900), (15, 2132780), (20, 1599585), (25, 1279668), (26, 1230450), (30, 1066390), (39, 820300), (50, 639834), (52, 615225), (60, 533195), (65, 492180), (75, 426556), (78, 410150), (100, 319917), (130, 246090), (150, 213278), (156, 205075), (169, 189300), (195, 164060), (260, 123045), (300, 106639), (325, 98436), (338, 94650), (390, 82030), (507, 63100), (631, 50700), (650, 49218), (676, 47325), (780, 41015), (845, 37860), (975, 32812), (1014, 31550), (1262, 25350), (1300, 24609), (1690, 18930), (1893, 16900), (1950, 16406), (2028, 15775), (2524, 12675), (2535, 12620), (3155, 10140), (3380, 9465), (3786, 8450), (3900, 8203), (4225, 7572), (5070, 6310)]