198079360

素因数分解:

$2^7\times 5^1\times {\mathrm{127}}^1\times {\mathrm{2437}}^1$

素因数の和:2583

約数の個数: 64

約数和(自身を含む): 477457920

約数和(自身を除く): 279378560

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 127, 128, 160, 254, 320, 508, 635, 640, 1016, 1270, 2032, 2437, 2540, 4064, 4874, 5080, 8128, 9748, 10160, 12185, 16256, 19496, 20320, 24370, 38992, 40640, 48740, 77984, 81280, 97480, 155968, 194960, 309499, 311936, 389920, 618998, 779840, 1237996, 1547495, 1559680, 2475992, 3094990, 4951984, 6189980, 9903968, 12379960, 19807936, 24759920, 39615872, 49519840, 99039680, 198079360]

約数ペア:

[(1, 198079360), (2, 99039680), (4, 49519840), (5, 39615872), (8, 24759920), (10, 19807936), (16, 12379960), (20, 9903968), (32, 6189980), (40, 4951984), (64, 3094990), (80, 2475992), (127, 1559680), (128, 1547495), (160, 1237996), (254, 779840), (320, 618998), (508, 389920), (635, 311936), (640, 309499), (1016, 194960), (1270, 155968), (2032, 97480), (2437, 81280), (2540, 77984), (4064, 48740), (4874, 40640), (5080, 38992), (8128, 24370), (9748, 20320), (10160, 19496), (12185, 16256)]