199498520

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{383651}}^1$

素因数の和:383675

約数の個数: 32

約数和(自身を含む): 483401520

約数和(自身を除く): 283903000

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 383651, 767302, 1534604, 1918255, 3069208, 3836510, 4987463, 7673020, 9974926, 15346040, 19949852, 24937315, 39899704, 49874630, 99749260, 199498520]

約数ペア:

[(1, 199498520), (2, 99749260), (4, 49874630), (5, 39899704), (8, 24937315), (10, 19949852), (13, 15346040), (20, 9974926), (26, 7673020), (40, 4987463), (52, 3836510), (65, 3069208), (104, 1918255), (130, 1534604), (260, 767302), (520, 383651)]