209525080

素因数分解:

$2^3\times 5^1\times {\mathrm{37}}^1\times {\mathrm{67}}^1\times {\mathrm{2113}}^1$

素因数の和:2228

約数の個数: 64

約数和(自身を含む): 491631840

約数和(自身を除く): 282106760

約数列:

[1, 2, 4, 5, 8, 10, 20, 37, 40, 67, 74, 134, 148, 185, 268, 296, 335, 370, 536, 670, 740, 1340, 1480, 2113, 2479, 2680, 4226, 4958, 8452, 9916, 10565, 12395, 16904, 19832, 21130, 24790, 42260, 49580, 78181, 84520, 99160, 141571, 156362, 283142, 312724, 390905, 566284, 625448, 707855, 781810, 1132568, 1415710, 1563620, 2831420, 3127240, 5238127, 5662840, 10476254, 20952508, 26190635, 41905016, 52381270, 104762540, 209525080]

約数ペア:

[(1, 209525080), (2, 104762540), (4, 52381270), (5, 41905016), (8, 26190635), (10, 20952508), (20, 10476254), (37, 5662840), (40, 5238127), (67, 3127240), (74, 2831420), (134, 1563620), (148, 1415710), (185, 1132568), (268, 781810), (296, 707855), (335, 625448), (370, 566284), (536, 390905), (670, 312724), (740, 283142), (1340, 156362), (1480, 141571), (2113, 99160), (2479, 84520), (2680, 78181), (4226, 49580), (4958, 42260), (8452, 24790), (9916, 21130), (10565, 19832), (12395, 16904)]