17928420

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{6949}}^1$

素因数の和:7004

約数の個数: 48

約数和(自身を含む): 51374400

約数和(自身を除く): 33445980

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 43, 60, 86, 129, 172, 215, 258, 430, 516, 645, 860, 1290, 2580, 6949, 13898, 20847, 27796, 34745, 41694, 69490, 83388, 104235, 138980, 208470, 298807, 416940, 597614, 896421, 1195228, 1494035, 1792842, 2988070, 3585684, 4482105, 5976140, 8964210, 17928420]

約数ペア:

[(1, 17928420), (2, 8964210), (3, 5976140), (4, 4482105), (5, 3585684), (6, 2988070), (10, 1792842), (12, 1494035), (15, 1195228), (20, 896421), (30, 597614), (43, 416940), (60, 298807), (86, 208470), (129, 138980), (172, 104235), (215, 83388), (258, 69490), (430, 41694), (516, 34745), (645, 27796), (860, 20847), (1290, 13898), (2580, 6949)]