149161520

素因数分解:

$2^4\times 5^1\times {\mathrm{1091}}^1\times {\mathrm{1709}}^1$

素因数の和:2813

約数の個数: 40

約数和(自身を含む): 347321520

約数和(自身を除く): 198160000

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1091, 1709, 2182, 3418, 4364, 5455, 6836, 8545, 8728, 10910, 13672, 17090, 17456, 21820, 27344, 34180, 43640, 68360, 87280, 136720, 1864519, 3729038, 7458076, 9322595, 14916152, 18645190, 29832304, 37290380, 74580760, 149161520]

約数ペア:

[(1, 149161520), (2, 74580760), (4, 37290380), (5, 29832304), (8, 18645190), (10, 14916152), (16, 9322595), (20, 7458076), (40, 3729038), (80, 1864519), (1091, 136720), (1709, 87280), (2182, 68360), (3418, 43640), (4364, 34180), (5455, 27344), (6836, 21820), (8545, 17456), (8728, 17090), (10910, 13672)]