8197420

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{5323}}^1$

素因数の和:5350

約数の個数: 48

約数和(自身を含む): 21466368

約数和(自身を除く): 13268948

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 44, 55, 70, 77, 110, 140, 154, 220, 308, 385, 770, 1540, 5323, 10646, 21292, 26615, 37261, 53230, 58553, 74522, 106460, 117106, 149044, 186305, 234212, 292765, 372610, 409871, 585530, 745220, 819742, 1171060, 1639484, 2049355, 4098710, 8197420]

約数ペア:

[(1, 8197420), (2, 4098710), (4, 2049355), (5, 1639484), (7, 1171060), (10, 819742), (11, 745220), (14, 585530), (20, 409871), (22, 372610), (28, 292765), (35, 234212), (44, 186305), (55, 149044), (70, 117106), (77, 106460), (110, 74522), (140, 58553), (154, 53230), (220, 37261), (308, 26615), (385, 21292), (770, 10646), (1540, 5323)]