119909960

素因数分解:

$2^3\times 5^1\times {\mathrm{197}}^1\times {\mathrm{15217}}^1$

素因数の和:15425

約数の個数: 32

約数和(自身を含む): 271184760

約数和(自身を除く): 151274800

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 197, 394, 788, 985, 1576, 1970, 3940, 7880, 15217, 30434, 60868, 76085, 121736, 152170, 304340, 608680, 2997749, 5995498, 11990996, 14988745, 23981992, 29977490, 59954980, 119909960]

約数ペア:

[(1, 119909960), (2, 59954980), (4, 29977490), (5, 23981992), (8, 14988745), (10, 11990996), (20, 5995498), (40, 2997749), (197, 608680), (394, 304340), (788, 152170), (985, 121736), (1576, 76085), (1970, 60868), (3940, 30434), (7880, 15217)]