12201980

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{12451}}^1$

素因数の和:12474

約数の個数: 36

約数和(自身を含む): 29810088

約数和(自身を除く): 17608108

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 490, 980, 12451, 24902, 49804, 62255, 87157, 124510, 174314, 249020, 348628, 435785, 610099, 871570, 1220198, 1743140, 2440396, 3050495, 6100990, 12201980]

約数ペア:

[(1, 12201980), (2, 6100990), (4, 3050495), (5, 2440396), (7, 1743140), (10, 1220198), (14, 871570), (20, 610099), (28, 435785), (35, 348628), (49, 249020), (70, 174314), (98, 124510), (140, 87157), (196, 62255), (245, 49804), (490, 24902), (980, 12451)]