31928740

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{73}}^1\times {\mathrm{1151}}^1$

素因数の和:1252

約数の個数: 48

約数和(自身を含む): 71608320

約数和(自身を除く): 39679580

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 73, 76, 95, 146, 190, 292, 365, 380, 730, 1151, 1387, 1460, 2302, 2774, 4604, 5548, 5755, 6935, 11510, 13870, 21869, 23020, 27740, 43738, 84023, 87476, 109345, 168046, 218690, 336092, 420115, 437380, 840230, 1596437, 1680460, 3192874, 6385748, 7982185, 15964370, 31928740]

約数ペア:

[(1, 31928740), (2, 15964370), (4, 7982185), (5, 6385748), (10, 3192874), (19, 1680460), (20, 1596437), (38, 840230), (73, 437380), (76, 420115), (95, 336092), (146, 218690), (190, 168046), (292, 109345), (365, 87476), (380, 84023), (730, 43738), (1151, 27740), (1387, 23020), (1460, 21869), (2302, 13870), (2774, 11510), (4604, 6935), (5548, 5755)]