257474470

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{80713}}^1$

素因数の和:80760

約数の個数: 32

約数和(自身を含む): 523026720

約数和(自身を除く): 265552250

約数列:

[1, 2, 5, 10, 11, 22, 29, 55, 58, 110, 145, 290, 319, 638, 1595, 3190, 80713, 161426, 403565, 807130, 887843, 1775686, 2340677, 4439215, 4681354, 8878430, 11703385, 23406770, 25747447, 51494894, 128737235, 257474470]

約数ペア:

[(1, 257474470), (2, 128737235), (5, 51494894), (10, 25747447), (11, 23406770), (22, 11703385), (29, 8878430), (55, 4681354), (58, 4439215), (110, 2340677), (145, 1775686), (290, 887843), (319, 807130), (638, 403565), (1595, 161426), (3190, 80713)]