13910500

素因数分解:

$2^2\times 5^3\times {\mathrm{43}}^1\times {\mathrm{647}}^1$

素因数の和:709

約数の個数: 48

約数和(自身を含む): 31135104

約数和(自身を除く): 17224604

約数列:

[1, 2, 4, 5, 10, 20, 25, 43, 50, 86, 100, 125, 172, 215, 250, 430, 500, 647, 860, 1075, 1294, 2150, 2588, 3235, 4300, 5375, 6470, 10750, 12940, 16175, 21500, 27821, 32350, 55642, 64700, 80875, 111284, 139105, 161750, 278210, 323500, 556420, 695525, 1391050, 2782100, 3477625, 6955250, 13910500]

約数ペア:

[(1, 13910500), (2, 6955250), (4, 3477625), (5, 2782100), (10, 1391050), (20, 695525), (25, 556420), (43, 323500), (50, 278210), (86, 161750), (100, 139105), (125, 111284), (172, 80875), (215, 64700), (250, 55642), (430, 32350), (500, 27821), (647, 21500), (860, 16175), (1075, 12940), (1294, 10750), (2150, 6470), (2588, 5375), (3235, 4300)]