84435320

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{149}}^1\times {\mathrm{457}}^1$

素因数の和:648

約数の個数: 64

約数和(自身を含む): 197856000

約数和(自身を除く): 113420680

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 149, 155, 248, 298, 310, 457, 596, 620, 745, 914, 1192, 1240, 1490, 1828, 2285, 2980, 3656, 4570, 4619, 5960, 9140, 9238, 14167, 18280, 18476, 23095, 28334, 36952, 46190, 56668, 68093, 70835, 92380, 113336, 136186, 141670, 184760, 272372, 283340, 340465, 544744, 566680, 680930, 1361860, 2110883, 2723720, 4221766, 8443532, 10554415, 16887064, 21108830, 42217660, 84435320]

約数ペア:

[(1, 84435320), (2, 42217660), (4, 21108830), (5, 16887064), (8, 10554415), (10, 8443532), (20, 4221766), (31, 2723720), (40, 2110883), (62, 1361860), (124, 680930), (149, 566680), (155, 544744), (248, 340465), (298, 283340), (310, 272372), (457, 184760), (596, 141670), (620, 136186), (745, 113336), (914, 92380), (1192, 70835), (1240, 68093), (1490, 56668), (1828, 46190), (2285, 36952), (2980, 28334), (3656, 23095), (4570, 18476), (4619, 18280), (5960, 14167), (9140, 9238)]