7867420

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{3251}}^1$

素因数の和:3282

約数の個数: 36

約数和(自身を含む): 18165672

約数和(自身を除く): 10298252

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 121, 220, 242, 484, 605, 1210, 2420, 3251, 6502, 13004, 16255, 32510, 35761, 65020, 71522, 143044, 178805, 357610, 393371, 715220, 786742, 1573484, 1966855, 3933710, 7867420]

約数ペア:

[(1, 7867420), (2, 3933710), (4, 1966855), (5, 1573484), (10, 786742), (11, 715220), (20, 393371), (22, 357610), (44, 178805), (55, 143044), (110, 71522), (121, 65020), (220, 35761), (242, 32510), (484, 16255), (605, 13004), (1210, 6502), (2420, 3251)]