157433980

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{10079}}^1$

素因数の和:10170

約数の個数: 48

約数和(自身を含む): 365783040

約数和(自身を除く): 208349060

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 71, 110, 142, 220, 284, 355, 710, 781, 1420, 1562, 3124, 3905, 7810, 10079, 15620, 20158, 40316, 50395, 100790, 110869, 201580, 221738, 443476, 554345, 715609, 1108690, 1431218, 2217380, 2862436, 3578045, 7156090, 7871699, 14312180, 15743398, 31486796, 39358495, 78716990, 157433980]

約数ペア:

[(1, 157433980), (2, 78716990), (4, 39358495), (5, 31486796), (10, 15743398), (11, 14312180), (20, 7871699), (22, 7156090), (44, 3578045), (55, 2862436), (71, 2217380), (110, 1431218), (142, 1108690), (220, 715609), (284, 554345), (355, 443476), (710, 221738), (781, 201580), (1420, 110869), (1562, 100790), (3124, 50395), (3905, 40316), (7810, 20158), (10079, 15620)]