4889540

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{73}}^1\times {\mathrm{197}}^1$

素因数の和:296

約数の個数: 48

約数和(自身を含む): 11076912

約数和(自身を除く): 6187372

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 73, 85, 146, 170, 197, 292, 340, 365, 394, 730, 788, 985, 1241, 1460, 1970, 2482, 3349, 3940, 4964, 6205, 6698, 12410, 13396, 14381, 16745, 24820, 28762, 33490, 57524, 66980, 71905, 143810, 244477, 287620, 488954, 977908, 1222385, 2444770, 4889540]

約数ペア:

[(1, 4889540), (2, 2444770), (4, 1222385), (5, 977908), (10, 488954), (17, 287620), (20, 244477), (34, 143810), (68, 71905), (73, 66980), (85, 57524), (146, 33490), (170, 28762), (197, 24820), (292, 16745), (340, 14381), (365, 13396), (394, 12410), (730, 6698), (788, 6205), (985, 4964), (1241, 3940), (1460, 3349), (1970, 2482)]