720200

素因数分解:

$2^3\times 5^2\times {\mathrm{13}}^1\times {\mathrm{277}}^1$

素因数の和:306

約数の個数: 48

約数和(自身を含む): 1809780

約数和(自身を除く): 1089580

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 25, 26, 40, 50, 52, 65, 100, 104, 130, 200, 260, 277, 325, 520, 554, 650, 1108, 1300, 1385, 2216, 2600, 2770, 3601, 5540, 6925, 7202, 11080, 13850, 14404, 18005, 27700, 28808, 36010, 55400, 72020, 90025, 144040, 180050, 360100, 720200]

約数ペア:

[(1, 720200), (2, 360100), (4, 180050), (5, 144040), (8, 90025), (10, 72020), (13, 55400), (20, 36010), (25, 28808), (26, 27700), (40, 18005), (50, 14404), (52, 13850), (65, 11080), (100, 7202), (104, 6925), (130, 5540), (200, 3601), (260, 2770), (277, 2600), (325, 2216), (520, 1385), (554, 1300), (650, 1108)]