87297740

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{83}}^1\times {\mathrm{1223}}^1$

素因数の和:1358

約数の個数: 48

約数和(自身を含む): 190003968

約数和(自身を除く): 102706228

約数列:

[1, 2, 4, 5, 10, 20, 43, 83, 86, 166, 172, 215, 332, 415, 430, 830, 860, 1223, 1660, 2446, 3569, 4892, 6115, 7138, 12230, 14276, 17845, 24460, 35690, 52589, 71380, 101509, 105178, 203018, 210356, 262945, 406036, 507545, 525890, 1015090, 1051780, 2030180, 4364887, 8729774, 17459548, 21824435, 43648870, 87297740]

約数ペア:

[(1, 87297740), (2, 43648870), (4, 21824435), (5, 17459548), (10, 8729774), (20, 4364887), (43, 2030180), (83, 1051780), (86, 1015090), (166, 525890), (172, 507545), (215, 406036), (332, 262945), (415, 210356), (430, 203018), (830, 105178), (860, 101509), (1223, 71380), (1660, 52589), (2446, 35690), (3569, 24460), (4892, 17845), (6115, 14276), (7138, 12230)]