29911420

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{19423}}^1$

素因数の和:19450

約数の個数: 48

約数和(自身を含む): 78317568

約数和(自身を除く): 48406148

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 44, 55, 70, 77, 110, 140, 154, 220, 308, 385, 770, 1540, 19423, 38846, 77692, 97115, 135961, 194230, 213653, 271922, 388460, 427306, 543844, 679805, 854612, 1068265, 1359610, 1495571, 2136530, 2719220, 2991142, 4273060, 5982284, 7477855, 14955710, 29911420]

約数ペア:

[(1, 29911420), (2, 14955710), (4, 7477855), (5, 5982284), (7, 4273060), (10, 2991142), (11, 2719220), (14, 2136530), (20, 1495571), (22, 1359610), (28, 1068265), (35, 854612), (44, 679805), (55, 543844), (70, 427306), (77, 388460), (110, 271922), (140, 213653), (154, 194230), (220, 135961), (308, 97115), (385, 77692), (770, 38846), (1540, 19423)]