221413240

素因数分解:

$2^3\times 5^1\times {\mathrm{47}}^1\times {\mathrm{117773}}^1$

素因数の和:117831

約数の個数: 32

約数和(自身を含む): 508783680

約数和(自身を除く): 287370440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 47, 94, 188, 235, 376, 470, 940, 1880, 117773, 235546, 471092, 588865, 942184, 1177730, 2355460, 4710920, 5535331, 11070662, 22141324, 27676655, 44282648, 55353310, 110706620, 221413240]

約数ペア:

[(1, 221413240), (2, 110706620), (4, 55353310), (5, 44282648), (8, 27676655), (10, 22141324), (20, 11070662), (40, 5535331), (47, 4710920), (94, 2355460), (188, 1177730), (235, 942184), (376, 588865), (470, 471092), (940, 235546), (1880, 117773)]