142321820

素因数分解:

$2^2\times 5^1\times {\mathrm{149}}^1\times {\mathrm{163}}^1\times {\mathrm{293}}^1$

素因数の和:614

約数の個数: 48

約数和(自身を含む): 303760800

約数和(自身を除く): 161438980

約数列:

[1, 2, 4, 5, 10, 20, 149, 163, 293, 298, 326, 586, 596, 652, 745, 815, 1172, 1465, 1490, 1630, 2930, 2980, 3260, 5860, 24287, 43657, 47759, 48574, 87314, 95518, 97148, 121435, 174628, 191036, 218285, 238795, 242870, 436570, 477590, 485740, 873140, 955180, 7116091, 14232182, 28464364, 35580455, 71160910, 142321820]

約数ペア:

[(1, 142321820), (2, 71160910), (4, 35580455), (5, 28464364), (10, 14232182), (20, 7116091), (149, 955180), (163, 873140), (293, 485740), (298, 477590), (326, 436570), (586, 242870), (596, 238795), (652, 218285), (745, 191036), (815, 174628), (1172, 121435), (1465, 97148), (1490, 95518), (1630, 87314), (2930, 48574), (2980, 47759), (3260, 43657), (5860, 24287)]