402280315

素因数分解:

$5^1\times {\mathrm{29}}^1\times {\mathrm{41}}^1\times {\mathrm{157}}^1\times {\mathrm{431}}^1$

素因数の和:663

約数の個数: 32

約数和(自身を含む): 516015360

約数和(自身を除く): 113735045

約数列:

[1, 5, 29, 41, 145, 157, 205, 431, 785, 1189, 2155, 4553, 5945, 6437, 12499, 17671, 22765, 32185, 62495, 67667, 88355, 186673, 338335, 512459, 933365, 1962343, 2562295, 2774347, 9811715, 13871735, 80456063, 402280315]

約数ペア:

[(1, 402280315), (5, 80456063), (29, 13871735), (41, 9811715), (145, 2774347), (157, 2562295), (205, 1962343), (431, 933365), (785, 512459), (1189, 338335), (2155, 186673), (4553, 88355), (5945, 67667), (6437, 62495), (12499, 32185), (17671, 22765)]