157218380

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{127}}^1\times {\mathrm{331}}^1$

素因数の和:495

約数の個数: 96

約数和(自身を含む): 385523712

約数和(自身を除く): 228305332

約数列:

[1, 2, 4, 5, 10, 11, 17, 20, 22, 34, 44, 55, 68, 85, 110, 127, 170, 187, 220, 254, 331, 340, 374, 508, 635, 662, 748, 935, 1270, 1324, 1397, 1655, 1870, 2159, 2540, 2794, 3310, 3641, 3740, 4318, 5588, 5627, 6620, 6985, 7282, 8636, 10795, 11254, 13970, 14564, 18205, 21590, 22508, 23749, 27940, 28135, 36410, 42037, 43180, 47498, 56270, 61897, 72820, 84074, 94996, 112540, 118745, 123794, 168148, 210185, 237490, 247588, 309485, 420370, 462407, 474980, 618970, 714629, 840740, 924814, 1237940, 1429258, 1849628, 2312035, 2858516, 3573145, 4624070, 7146290, 7860919, 9248140, 14292580, 15721838, 31443676, 39304595, 78609190, 157218380]

約数ペア:

[(1, 157218380), (2, 78609190), (4, 39304595), (5, 31443676), (10, 15721838), (11, 14292580), (17, 9248140), (20, 7860919), (22, 7146290), (34, 4624070), (44, 3573145), (55, 2858516), (68, 2312035), (85, 1849628), (110, 1429258), (127, 1237940), (170, 924814), (187, 840740), (220, 714629), (254, 618970), (331, 474980), (340, 462407), (374, 420370), (508, 309485), (635, 247588), (662, 237490), (748, 210185), (935, 168148), (1270, 123794), (1324, 118745), (1397, 112540), (1655, 94996), (1870, 84074), (2159, 72820), (2540, 61897), (2794, 56270), (3310, 47498), (3641, 43180), (3740, 42037), (4318, 36410), (5588, 28135), (5627, 27940), (6620, 23749), (6985, 22508), (7282, 21590), (8636, 18205), (10795, 14564), (11254, 13970)]