877360

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{997}}^1$

素因数の和:1021

約数の個数: 40

約数和(自身を含む): 2227536

約数和(自身を除く): 1350176

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 176, 220, 440, 880, 997, 1994, 3988, 4985, 7976, 9970, 10967, 15952, 19940, 21934, 39880, 43868, 54835, 79760, 87736, 109670, 175472, 219340, 438680, 877360]

約数ペア:

[(1, 877360), (2, 438680), (4, 219340), (5, 175472), (8, 109670), (10, 87736), (11, 79760), (16, 54835), (20, 43868), (22, 39880), (40, 21934), (44, 19940), (55, 15952), (80, 10967), (88, 9970), (110, 7976), (176, 4985), (220, 3988), (440, 1994), (880, 997)]