87974980

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{151681}}^1$

素因数の和:151719

約数の個数: 24

約数和(自身を含む): 191119320

約数和(自身を除く): 103144340

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 116, 145, 290, 580, 151681, 303362, 606724, 758405, 1516810, 3033620, 4398749, 8797498, 17594996, 21993745, 43987490, 87974980]

約数ペア:

[(1, 87974980), (2, 43987490), (4, 21993745), (5, 17594996), (10, 8797498), (20, 4398749), (29, 3033620), (58, 1516810), (116, 758405), (145, 606724), (290, 303362), (580, 151681)]