91902280

素因数分解:

$2^3\times 5^1\times {\mathrm{79}}^1\times {\mathrm{127}}^1\times {\mathrm{229}}^1$

素因数の和:446

約数の個数: 64

約数和(自身を含む): 211968000

約数和(自身を除く): 120065720

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 79, 127, 158, 229, 254, 316, 395, 458, 508, 632, 635, 790, 916, 1016, 1145, 1270, 1580, 1832, 2290, 2540, 3160, 4580, 5080, 9160, 10033, 18091, 20066, 29083, 36182, 40132, 50165, 58166, 72364, 80264, 90455, 100330, 116332, 144728, 145415, 180910, 200660, 232664, 290830, 361820, 401320, 581660, 723640, 1163320, 2297557, 4595114, 9190228, 11487785, 18380456, 22975570, 45951140, 91902280]

約数ペア:

[(1, 91902280), (2, 45951140), (4, 22975570), (5, 18380456), (8, 11487785), (10, 9190228), (20, 4595114), (40, 2297557), (79, 1163320), (127, 723640), (158, 581660), (229, 401320), (254, 361820), (316, 290830), (395, 232664), (458, 200660), (508, 180910), (632, 145415), (635, 144728), (790, 116332), (916, 100330), (1016, 90455), (1145, 80264), (1270, 72364), (1580, 58166), (1832, 50165), (2290, 40132), (2540, 36182), (3160, 29083), (4580, 20066), (5080, 18091), (9160, 10033)]