305880080

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{347591}}^1$

素因数の和:347615

約数の個数: 40

約数和(自身を含む): 775825344

約数和(自身を除く): 469945264

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 176, 220, 440, 880, 347591, 695182, 1390364, 1737955, 2780728, 3475910, 3823501, 5561456, 6951820, 7647002, 13903640, 15294004, 19117505, 27807280, 30588008, 38235010, 61176016, 76470020, 152940040, 305880080]

約数ペア:

[(1, 305880080), (2, 152940040), (4, 76470020), (5, 61176016), (8, 38235010), (10, 30588008), (11, 27807280), (16, 19117505), (20, 15294004), (22, 13903640), (40, 7647002), (44, 6951820), (55, 5561456), (80, 3823501), (88, 3475910), (110, 2780728), (176, 1737955), (220, 1390364), (440, 695182), (880, 347591)]