142620380

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{145531}}^1$

素因数の和:145554

約数の個数: 36

約数和(自身を含む): 348403608

約数和(自身を除く): 205783228

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 490, 980, 145531, 291062, 582124, 727655, 1018717, 1455310, 2037434, 2910620, 4074868, 5093585, 7131019, 10187170, 14262038, 20374340, 28524076, 35655095, 71310190, 142620380]

約数ペア:

[(1, 142620380), (2, 71310190), (4, 35655095), (5, 28524076), (7, 20374340), (10, 14262038), (14, 10187170), (20, 7131019), (28, 5093585), (35, 4074868), (49, 2910620), (70, 2037434), (98, 1455310), (140, 1018717), (196, 727655), (245, 582124), (490, 291062), (980, 145531)]