153857620

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{409}}^1\times {\mathrm{2687}}^1$

素因数の和:3112

約数の個数: 48

約数和(自身を含む): 370298880

約数和(自身を除く): 216441260

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 409, 818, 1636, 2045, 2687, 2863, 4090, 5374, 5726, 8180, 10748, 11452, 13435, 14315, 18809, 26870, 28630, 37618, 53740, 57260, 75236, 94045, 188090, 376180, 1098983, 2197966, 4395932, 5494915, 7692881, 10989830, 15385762, 21979660, 30771524, 38464405, 76928810, 153857620]

約数ペア:

[(1, 153857620), (2, 76928810), (4, 38464405), (5, 30771524), (7, 21979660), (10, 15385762), (14, 10989830), (20, 7692881), (28, 5494915), (35, 4395932), (70, 2197966), (140, 1098983), (409, 376180), (818, 188090), (1636, 94045), (2045, 75236), (2687, 57260), (2863, 53740), (4090, 37618), (5374, 28630), (5726, 26870), (8180, 18809), (10748, 14315), (11452, 13435)]