7771943140

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{139}}^1\times {\mathrm{215051}}^1$

素因数の和:215212

約数の個数: 48

約数和(自身を含む): 17703080640

約数和(自身を除く): 9931137500

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 139, 260, 278, 556, 695, 1390, 1807, 2780, 3614, 7228, 9035, 18070, 36140, 215051, 430102, 860204, 1075255, 2150510, 2795663, 4301020, 5591326, 11182652, 13978315, 27956630, 29892089, 55913260, 59784178, 119568356, 149460445, 298920890, 388597157, 597841780, 777194314, 1554388628, 1942985785, 3885971570, 7771943140]

約数ペア:

[(1, 7771943140), (2, 3885971570), (4, 1942985785), (5, 1554388628), (10, 777194314), (13, 597841780), (20, 388597157), (26, 298920890), (52, 149460445), (65, 119568356), (130, 59784178), (139, 55913260), (260, 29892089), (278, 27956630), (556, 13978315), (695, 11182652), (1390, 5591326), (1807, 4301020), (2780, 2795663), (3614, 2150510), (7228, 1075255), (9035, 860204), (18070, 430102), (36140, 215051)]