9778120

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{313}}^1$

素因数の和:406

約数の個数: 64

約数和(自身を含む): 24416640

約数和(自身を除く): 14638520

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 71, 88, 110, 142, 220, 284, 313, 355, 440, 568, 626, 710, 781, 1252, 1420, 1562, 1565, 2504, 2840, 3124, 3130, 3443, 3905, 6248, 6260, 6886, 7810, 12520, 13772, 15620, 17215, 22223, 27544, 31240, 34430, 44446, 68860, 88892, 111115, 137720, 177784, 222230, 244453, 444460, 488906, 888920, 977812, 1222265, 1955624, 2444530, 4889060, 9778120]

約数ペア:

[(1, 9778120), (2, 4889060), (4, 2444530), (5, 1955624), (8, 1222265), (10, 977812), (11, 888920), (20, 488906), (22, 444460), (40, 244453), (44, 222230), (55, 177784), (71, 137720), (88, 111115), (110, 88892), (142, 68860), (220, 44446), (284, 34430), (313, 31240), (355, 27544), (440, 22223), (568, 17215), (626, 15620), (710, 13772), (781, 12520), (1252, 7810), (1420, 6886), (1562, 6260), (1565, 6248), (2504, 3905), (2840, 3443), (3124, 3130)]