654320860

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{463}}^1\times {\mathrm{3719}}^1$

素因数の和:4210

約数の個数: 48

約数和(自身を含む): 1449907200

約数和(自身を除く): 795586340

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 463, 926, 1852, 2315, 3719, 4630, 7438, 8797, 9260, 14876, 17594, 18595, 35188, 37190, 43985, 70661, 74380, 87970, 141322, 175940, 282644, 353305, 706610, 1413220, 1721897, 3443794, 6887588, 8609485, 17218970, 32716043, 34437940, 65432086, 130864172, 163580215, 327160430, 654320860]

約数ペア:

[(1, 654320860), (2, 327160430), (4, 163580215), (5, 130864172), (10, 65432086), (19, 34437940), (20, 32716043), (38, 17218970), (76, 8609485), (95, 6887588), (190, 3443794), (380, 1721897), (463, 1413220), (926, 706610), (1852, 353305), (2315, 282644), (3719, 175940), (4630, 141322), (7438, 87970), (8797, 74380), (9260, 70661), (14876, 43985), (17594, 37190), (18595, 35188)]