8777780

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{2347}}^1$

素因数の和:2384

約数の個数: 48

約数和(自身を含む): 21301056

約数和(自身を除く): 12523276

約数列:

[1, 2, 4, 5, 10, 11, 17, 20, 22, 34, 44, 55, 68, 85, 110, 170, 187, 220, 340, 374, 748, 935, 1870, 2347, 3740, 4694, 9388, 11735, 23470, 25817, 39899, 46940, 51634, 79798, 103268, 129085, 159596, 199495, 258170, 398990, 438889, 516340, 797980, 877778, 1755556, 2194445, 4388890, 8777780]

約数ペア:

[(1, 8777780), (2, 4388890), (4, 2194445), (5, 1755556), (10, 877778), (11, 797980), (17, 516340), (20, 438889), (22, 398990), (34, 258170), (44, 199495), (55, 159596), (68, 129085), (85, 103268), (110, 79798), (170, 51634), (187, 46940), (220, 39899), (340, 25817), (374, 23470), (748, 11735), (935, 9388), (1870, 4694), (2347, 3740)]