205100104

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{2917}}^1$

素因数の和:2998

約数の個数: 64

約数和(自身を含む): 453807360

約数和(自身を除く): 248707256

約数列:

[1, 2, 4, 8, 11, 17, 22, 34, 44, 47, 68, 88, 94, 136, 187, 188, 374, 376, 517, 748, 799, 1034, 1496, 1598, 2068, 2917, 3196, 4136, 5834, 6392, 8789, 11668, 17578, 23336, 32087, 35156, 49589, 64174, 70312, 99178, 128348, 137099, 198356, 256696, 274198, 396712, 545479, 548396, 1090958, 1096792, 1508089, 2181916, 2330683, 3016178, 4363832, 4661366, 6032356, 9322732, 12064712, 18645464, 25637513, 51275026, 102550052, 205100104]

約数ペア:

[(1, 205100104), (2, 102550052), (4, 51275026), (8, 25637513), (11, 18645464), (17, 12064712), (22, 9322732), (34, 6032356), (44, 4661366), (47, 4363832), (68, 3016178), (88, 2330683), (94, 2181916), (136, 1508089), (187, 1096792), (188, 1090958), (374, 548396), (376, 545479), (517, 396712), (748, 274198), (799, 256696), (1034, 198356), (1496, 137099), (1598, 128348), (2068, 99178), (2917, 70312), (3196, 64174), (4136, 49589), (5834, 35156), (6392, 32087), (8789, 23336), (11668, 17578)]