385156940

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{1291}}^1\times {\mathrm{2131}}^1$

素因数の和:3438

約数の個数: 48

約数和(自身を含む): 925526784

約数和(自身を除く): 540369844

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 1291, 2131, 2582, 4262, 5164, 6455, 8524, 9037, 10655, 12910, 14917, 18074, 21310, 25820, 29834, 36148, 42620, 45185, 59668, 74585, 90370, 149170, 180740, 298340, 2751121, 5502242, 11004484, 13755605, 19257847, 27511210, 38515694, 55022420, 77031388, 96289235, 192578470, 385156940]

約数ペア:

[(1, 385156940), (2, 192578470), (4, 96289235), (5, 77031388), (7, 55022420), (10, 38515694), (14, 27511210), (20, 19257847), (28, 13755605), (35, 11004484), (70, 5502242), (140, 2751121), (1291, 298340), (2131, 180740), (2582, 149170), (4262, 90370), (5164, 74585), (6455, 59668), (8524, 45185), (9037, 42620), (10655, 36148), (12910, 29834), (14917, 25820), (18074, 21310)]