248865740

素因数分解:

$2^2\times 5^1\times {\mathrm{53}}^1\times {\mathrm{383}}^1\times {\mathrm{613}}^1$

素因数の和:1058

約数の個数: 48

約数和(自身を含む): 534739968

約数和(自身を除く): 285874228

約数列:

[1, 2, 4, 5, 10, 20, 53, 106, 212, 265, 383, 530, 613, 766, 1060, 1226, 1532, 1915, 2452, 3065, 3830, 6130, 7660, 12260, 20299, 32489, 40598, 64978, 81196, 101495, 129956, 162445, 202990, 234779, 324890, 405980, 469558, 649780, 939116, 1173895, 2347790, 4695580, 12443287, 24886574, 49773148, 62216435, 124432870, 248865740]

約数ペア:

[(1, 248865740), (2, 124432870), (4, 62216435), (5, 49773148), (10, 24886574), (20, 12443287), (53, 4695580), (106, 2347790), (212, 1173895), (265, 939116), (383, 649780), (530, 469558), (613, 405980), (766, 324890), (1060, 234779), (1226, 202990), (1532, 162445), (1915, 129956), (2452, 101495), (3065, 81196), (3830, 64978), (6130, 40598), (7660, 32489), (12260, 20299)]