209635925

素因数分解:

$5^2\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{73}}^1\times {\mathrm{233}}^1$

素因数の和:362

約数の個数: 48

約数和(自身を含む): 289869840

約数和(自身を除く): 80233915

約数列:

[1, 5, 17, 25, 29, 73, 85, 145, 233, 365, 425, 493, 725, 1165, 1241, 1825, 2117, 2465, 3961, 5825, 6205, 6757, 10585, 12325, 17009, 19805, 31025, 33785, 35989, 52925, 85045, 99025, 114869, 168925, 179945, 289153, 425225, 493261, 574345, 899725, 1445765, 2466305, 2871725, 7228825, 8385437, 12331525, 41927185, 209635925]

約数ペア:

[(1, 209635925), (5, 41927185), (17, 12331525), (25, 8385437), (29, 7228825), (73, 2871725), (85, 2466305), (145, 1445765), (233, 899725), (365, 574345), (425, 493261), (493, 425225), (725, 289153), (1165, 179945), (1241, 168925), (1825, 114869), (2117, 99025), (2465, 85045), (3961, 52925), (5825, 35989), (6205, 33785), (6757, 31025), (10585, 19805), (12325, 17009)]