142949128

素因数分解:

$2^3\times 7^1\times {\mathrm{71}}^1\times {\mathrm{157}}^1\times {\mathrm{229}}^1$

素因数の和:470

約数の個数: 64

約数和(自身を含む): 313977600

約数和(自身を除く): 171028472

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 71, 142, 157, 229, 284, 314, 458, 497, 568, 628, 916, 994, 1099, 1256, 1603, 1832, 1988, 2198, 3206, 3976, 4396, 6412, 8792, 11147, 12824, 16259, 22294, 32518, 35953, 44588, 65036, 71906, 78029, 89176, 113813, 130072, 143812, 156058, 227626, 251671, 287624, 312116, 455252, 503342, 624232, 910504, 1006684, 2013368, 2552663, 5105326, 10210652, 17868641, 20421304, 35737282, 71474564, 142949128]

約数ペア:

[(1, 142949128), (2, 71474564), (4, 35737282), (7, 20421304), (8, 17868641), (14, 10210652), (28, 5105326), (56, 2552663), (71, 2013368), (142, 1006684), (157, 910504), (229, 624232), (284, 503342), (314, 455252), (458, 312116), (497, 287624), (568, 251671), (628, 227626), (916, 156058), (994, 143812), (1099, 130072), (1256, 113813), (1603, 89176), (1832, 78029), (1988, 71906), (2198, 65036), (3206, 44588), (3976, 35953), (4396, 32518), (6412, 22294), (8792, 16259), (11147, 12824)]