131541740

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{461}}^1\times {\mathrm{1297}}^1$

素因数の和:1778

約数の個数: 48

約数和(自身を含む): 302236704

約数和(自身を除く): 170694964

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 461, 922, 1297, 1844, 2305, 2594, 4610, 5071, 5188, 6485, 9220, 10142, 12970, 14267, 20284, 25355, 25940, 28534, 50710, 57068, 71335, 101420, 142670, 285340, 597917, 1195834, 2391668, 2989585, 5979170, 6577087, 11958340, 13154174, 26308348, 32885435, 65770870, 131541740]

約数ペア:

[(1, 131541740), (2, 65770870), (4, 32885435), (5, 26308348), (10, 13154174), (11, 11958340), (20, 6577087), (22, 5979170), (44, 2989585), (55, 2391668), (110, 1195834), (220, 597917), (461, 285340), (922, 142670), (1297, 101420), (1844, 71335), (2305, 57068), (2594, 50710), (4610, 28534), (5071, 25940), (5188, 25355), (6485, 20284), (9220, 14267), (10142, 12970)]