289357120

素因数分解:

$2^6\times 5^1\times {\mathrm{13}}^1\times {\mathrm{69557}}^1$

素因数の和:69587

約数の個数: 56

約数和(自身を含む): 742044744

約数和(自身を除く): 452687624

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 64, 65, 80, 104, 130, 160, 208, 260, 320, 416, 520, 832, 1040, 2080, 4160, 69557, 139114, 278228, 347785, 556456, 695570, 904241, 1112912, 1391140, 1808482, 2225824, 2782280, 3616964, 4451648, 4521205, 5564560, 7233928, 9042410, 11129120, 14467856, 18084820, 22258240, 28935712, 36169640, 57871424, 72339280, 144678560, 289357120]

約数ペア:

[(1, 289357120), (2, 144678560), (4, 72339280), (5, 57871424), (8, 36169640), (10, 28935712), (13, 22258240), (16, 18084820), (20, 14467856), (26, 11129120), (32, 9042410), (40, 7233928), (52, 5564560), (64, 4521205), (65, 4451648), (80, 3616964), (104, 2782280), (130, 2225824), (160, 1808482), (208, 1391140), (260, 1112912), (320, 904241), (416, 695570), (520, 556456), (832, 347785), (1040, 278228), (2080, 139114), (4160, 69557)]