172088980

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{175601}}^1$

素因数の和:175624

約数の個数: 36

約数和(自身を含む): 420391188

約数和(自身を除く): 248302208

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 490, 980, 175601, 351202, 702404, 878005, 1229207, 1756010, 2458414, 3512020, 4916828, 6146035, 8604449, 12292070, 17208898, 24584140, 34417796, 43022245, 86044490, 172088980]

約数ペア:

[(1, 172088980), (2, 86044490), (4, 43022245), (5, 34417796), (7, 24584140), (10, 17208898), (14, 12292070), (20, 8604449), (28, 6146035), (35, 4916828), (49, 3512020), (70, 2458414), (98, 1756010), (140, 1229207), (196, 878005), (245, 702404), (490, 351202), (980, 175601)]