289389640

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{79}}^1\times {\mathrm{5387}}^1$

素因数の和:5494

約数の個数: 64

約数和(自身を含む): 698284800

約数和(自身を除く): 408895160

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 79, 85, 136, 158, 170, 316, 340, 395, 632, 680, 790, 1343, 1580, 2686, 3160, 5372, 5387, 6715, 10744, 10774, 13430, 21548, 26860, 26935, 43096, 53720, 53870, 91579, 107740, 183158, 215480, 366316, 425573, 457895, 732632, 851146, 915790, 1702292, 1831580, 2127865, 3404584, 3663160, 4255730, 7234741, 8511460, 14469482, 17022920, 28938964, 36173705, 57877928, 72347410, 144694820, 289389640]

約数ペア:

[(1, 289389640), (2, 144694820), (4, 72347410), (5, 57877928), (8, 36173705), (10, 28938964), (17, 17022920), (20, 14469482), (34, 8511460), (40, 7234741), (68, 4255730), (79, 3663160), (85, 3404584), (136, 2127865), (158, 1831580), (170, 1702292), (316, 915790), (340, 851146), (395, 732632), (632, 457895), (680, 425573), (790, 366316), (1343, 215480), (1580, 183158), (2686, 107740), (3160, 91579), (5372, 53870), (5387, 53720), (6715, 43096), (10744, 26935), (10774, 26860), (13430, 21548)]