156943808540

素因数分解:

$2^2\times 5^1\times {\mathrm{127}}^1\times {\mathrm{131}}^1\times {\mathrm{471671}}^1$

素因数の和:471938

約数の個数: 48

約数和(自身を含む): 334713544704

約数和(自身を除く): 177769736164

約数列:

[1, 2, 4, 5, 10, 20, 127, 131, 254, 262, 508, 524, 635, 655, 1270, 1310, 2540, 2620, 16637, 33274, 66548, 83185, 166370, 332740, 471671, 943342, 1886684, 2358355, 4716710, 9433420, 59902217, 61788901, 119804434, 123577802, 239608868, 247155604, 299511085, 308944505, 599022170, 617889010, 1198044340, 1235778020, 7847190427, 15694380854, 31388761708, 39235952135, 78471904270, 156943808540]

約数ペア:

[(1, 156943808540), (2, 78471904270), (4, 39235952135), (5, 31388761708), (10, 15694380854), (20, 7847190427), (127, 1235778020), (131, 1198044340), (254, 617889010), (262, 599022170), (508, 308944505), (524, 299511085), (635, 247155604), (655, 239608868), (1270, 123577802), (1310, 119804434), (2540, 61788901), (2620, 59902217), (16637, 9433420), (33274, 4716710), (66548, 2358355), (83185, 1886684), (166370, 943342), (332740, 471671)]