169650920

素因数分解:

$2^3\times 5^1\times {\mathrm{37}}^1\times {\mathrm{79}}^1\times {\mathrm{1451}}^1$

素因数の和:1578

約数の個数: 64

約数和(自身を含む): 397267200

約数和(自身を除く): 227616280

約数列:

[1, 2, 4, 5, 8, 10, 20, 37, 40, 74, 79, 148, 158, 185, 296, 316, 370, 395, 632, 740, 790, 1451, 1480, 1580, 2902, 2923, 3160, 5804, 5846, 7255, 11608, 11692, 14510, 14615, 23384, 29020, 29230, 53687, 58040, 58460, 107374, 114629, 116920, 214748, 229258, 268435, 429496, 458516, 536870, 573145, 917032, 1073740, 1146290, 2147480, 2292580, 4241273, 4585160, 8482546, 16965092, 21206365, 33930184, 42412730, 84825460, 169650920]

約数ペア:

[(1, 169650920), (2, 84825460), (4, 42412730), (5, 33930184), (8, 21206365), (10, 16965092), (20, 8482546), (37, 4585160), (40, 4241273), (74, 2292580), (79, 2147480), (148, 1146290), (158, 1073740), (185, 917032), (296, 573145), (316, 536870), (370, 458516), (395, 429496), (632, 268435), (740, 229258), (790, 214748), (1451, 116920), (1480, 114629), (1580, 107374), (2902, 58460), (2923, 58040), (3160, 53687), (5804, 29230), (5846, 29020), (7255, 23384), (11608, 14615), (11692, 14510)]