793780

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{71}}^1$

素因数の和:136

約数の個数: 48

約数和(自身を含む): 1862784

約数和(自身を除く): 1069004

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 43, 52, 65, 71, 86, 130, 142, 172, 215, 260, 284, 355, 430, 559, 710, 860, 923, 1118, 1420, 1846, 2236, 2795, 3053, 3692, 4615, 5590, 6106, 9230, 11180, 12212, 15265, 18460, 30530, 39689, 61060, 79378, 158756, 198445, 396890, 793780]

約数ペア:

[(1, 793780), (2, 396890), (4, 198445), (5, 158756), (10, 79378), (13, 61060), (20, 39689), (26, 30530), (43, 18460), (52, 15265), (65, 12212), (71, 11180), (86, 9230), (130, 6106), (142, 5590), (172, 4615), (215, 3692), (260, 3053), (284, 2795), (355, 2236), (430, 1846), (559, 1420), (710, 1118), (860, 923)]