205938420

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{277}}^1\times {\mathrm{12391}}^1$

素因数の和:12680

約数の個数: 48

約数和(自身を含む): 578755968

約数和(自身を除く): 372817548

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 277, 554, 831, 1108, 1385, 1662, 2770, 3324, 4155, 5540, 8310, 12391, 16620, 24782, 37173, 49564, 61955, 74346, 123910, 148692, 185865, 247820, 371730, 743460, 3432307, 6864614, 10296921, 13729228, 17161535, 20593842, 34323070, 41187684, 51484605, 68646140, 102969210, 205938420]

約数ペア:

[(1, 205938420), (2, 102969210), (3, 68646140), (4, 51484605), (5, 41187684), (6, 34323070), (10, 20593842), (12, 17161535), (15, 13729228), (20, 10296921), (30, 6864614), (60, 3432307), (277, 743460), (554, 371730), (831, 247820), (1108, 185865), (1385, 148692), (1662, 123910), (2770, 74346), (3324, 61955), (4155, 49564), (5540, 37173), (8310, 24782), (12391, 16620)]