205254940

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{54881}}^1$

素因数の和:54918

約数の個数: 48

約数和(自身を含む): 497889504

約数和(自身を除く): 292634564

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, 3740, 54881, 109762, 219524, 274405, 548810, 603691, 932977, 1097620, 1207382, 1865954, 2414764, 3018455, 3731908, 4664885, 6036910, 9329770, 10262747, 12073820, 18659540, 20525494, 41050988, 51313735, 102627470, 205254940]

約数ペア:

[(1, 205254940), (2, 102627470), (4, 51313735), (5, 41050988), (10, 20525494), (11, 18659540), (17, 12073820), (20, 10262747), (22, 9329770), (34, 6036910), (44, 4664885), (55, 3731908), (68, 3018455), (85, 2414764), (110, 1865954), (170, 1207382), (187, 1097620), (220, 932977), (340, 603691), (374, 548810), (748, 274405), (935, 219524), (1870, 109762), (3740, 54881)]