135957740

素因数分解:

$2^2\times 5^1\times {\mathrm{67}}^1\times {\mathrm{241}}^1\times {\mathrm{421}}^1$

素因数の和:738

約数の個数: 48

約数和(自身を含む): 291666144

約数和(自身を除く): 155708404

約数列:

[1, 2, 4, 5, 10, 20, 67, 134, 241, 268, 335, 421, 482, 670, 842, 964, 1205, 1340, 1684, 2105, 2410, 4210, 4820, 8420, 16147, 28207, 32294, 56414, 64588, 80735, 101461, 112828, 141035, 161470, 202922, 282070, 322940, 405844, 507305, 564140, 1014610, 2029220, 6797887, 13595774, 27191548, 33989435, 67978870, 135957740]

約数ペア:

[(1, 135957740), (2, 67978870), (4, 33989435), (5, 27191548), (10, 13595774), (20, 6797887), (67, 2029220), (134, 1014610), (241, 564140), (268, 507305), (335, 405844), (421, 322940), (482, 282070), (670, 202922), (842, 161470), (964, 141035), (1205, 112828), (1340, 101461), (1684, 80735), (2105, 64588), (2410, 56414), (4210, 32294), (4820, 28207), (8420, 16147)]