87400660

素因数分解:

$2^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{83}}^1\times {\mathrm{1423}}^1$

素因数の和:1552

約数の個数: 48

約数和(自身を含む): 190907136

約数和(自身を除く): 103506476

約数列:

[1, 2, 4, 5, 10, 20, 37, 74, 83, 148, 166, 185, 332, 370, 415, 740, 830, 1423, 1660, 2846, 3071, 5692, 6142, 7115, 12284, 14230, 15355, 28460, 30710, 52651, 61420, 105302, 118109, 210604, 236218, 263255, 472436, 526510, 590545, 1053020, 1181090, 2362180, 4370033, 8740066, 17480132, 21850165, 43700330, 87400660]

約数ペア:

[(1, 87400660), (2, 43700330), (4, 21850165), (5, 17480132), (10, 8740066), (20, 4370033), (37, 2362180), (74, 1181090), (83, 1053020), (148, 590545), (166, 526510), (185, 472436), (332, 263255), (370, 236218), (415, 210604), (740, 118109), (830, 105302), (1423, 61420), (1660, 52651), (2846, 30710), (3071, 28460), (5692, 15355), (6142, 14230), (7115, 12284)]