7706140

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{107}}^1\times {\mathrm{277}}^1$

素因数の和:406

約数の個数: 48

約数和(自身を含む): 17654112

約数和(自身を除く): 9947972

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 107, 130, 214, 260, 277, 428, 535, 554, 1070, 1108, 1385, 1391, 2140, 2770, 2782, 3601, 5540, 5564, 6955, 7202, 13910, 14404, 18005, 27820, 29639, 36010, 59278, 72020, 118556, 148195, 296390, 385307, 592780, 770614, 1541228, 1926535, 3853070, 7706140]

約数ペア:

[(1, 7706140), (2, 3853070), (4, 1926535), (5, 1541228), (10, 770614), (13, 592780), (20, 385307), (26, 296390), (52, 148195), (65, 118556), (107, 72020), (130, 59278), (214, 36010), (260, 29639), (277, 27820), (428, 18005), (535, 14404), (554, 13910), (1070, 7202), (1108, 6955), (1385, 5564), (1391, 5540), (2140, 3601), (2770, 2782)]