71654890

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^2\times {\mathrm{23}}^1\times {\mathrm{863}}^1$

素因数の和:931

約数の個数: 48

約数和(自身を含む): 142207488

約数和(自身を除く): 70552598

約数列:

[1, 2, 5, 10, 19, 23, 38, 46, 95, 115, 190, 230, 361, 437, 722, 863, 874, 1726, 1805, 2185, 3610, 4315, 4370, 8303, 8630, 16397, 16606, 19849, 32794, 39698, 41515, 81985, 83030, 99245, 163970, 198490, 311543, 377131, 623086, 754262, 1557715, 1885655, 3115430, 3771310, 7165489, 14330978, 35827445, 71654890]

約数ペア:

[(1, 71654890), (2, 35827445), (5, 14330978), (10, 7165489), (19, 3771310), (23, 3115430), (38, 1885655), (46, 1557715), (95, 754262), (115, 623086), (190, 377131), (230, 311543), (361, 198490), (437, 163970), (722, 99245), (863, 83030), (874, 81985), (1726, 41515), (1805, 39698), (2185, 32794), (3610, 19849), (4315, 16606), (4370, 16397), (8303, 8630)]