247851760

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{3557}}^1$

素因数の和:3650

約数の個数: 80

約数和(自身を含む): 630022176

約数和(自身を除く): 382170416

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 67, 80, 104, 130, 134, 208, 260, 268, 335, 520, 536, 670, 871, 1040, 1072, 1340, 1742, 2680, 3484, 3557, 4355, 5360, 6968, 7114, 8710, 13936, 14228, 17420, 17785, 28456, 34840, 35570, 46241, 56912, 69680, 71140, 92482, 142280, 184964, 231205, 238319, 284560, 369928, 462410, 476638, 739856, 924820, 953276, 1191595, 1849640, 1906552, 2383190, 3098147, 3699280, 3813104, 4766380, 6196294, 9532760, 12392588, 15490735, 19065520, 24785176, 30981470, 49570352, 61962940, 123925880, 247851760]

約数ペア:

[(1, 247851760), (2, 123925880), (4, 61962940), (5, 49570352), (8, 30981470), (10, 24785176), (13, 19065520), (16, 15490735), (20, 12392588), (26, 9532760), (40, 6196294), (52, 4766380), (65, 3813104), (67, 3699280), (80, 3098147), (104, 2383190), (130, 1906552), (134, 1849640), (208, 1191595), (260, 953276), (268, 924820), (335, 739856), (520, 476638), (536, 462410), (670, 369928), (871, 284560), (1040, 238319), (1072, 231205), (1340, 184964), (1742, 142280), (2680, 92482), (3484, 71140), (3557, 69680), (4355, 56912), (5360, 46241), (6968, 35570), (7114, 34840), (8710, 28456), (13936, 17785), (14228, 17420)]