222399760

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{252727}}^1$

素因数の和:252751

約数の個数: 40

約数和(自身を含む): 564088896

約数和(自身を除く): 341689136

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 176, 220, 440, 880, 252727, 505454, 1010908, 1263635, 2021816, 2527270, 2779997, 4043632, 5054540, 5559994, 10109080, 11119988, 13899985, 20218160, 22239976, 27799970, 44479952, 55599940, 111199880, 222399760]

約数ペア:

[(1, 222399760), (2, 111199880), (4, 55599940), (5, 44479952), (8, 27799970), (10, 22239976), (11, 20218160), (16, 13899985), (20, 11119988), (22, 10109080), (40, 5559994), (44, 5054540), (55, 4043632), (80, 2779997), (88, 2527270), (110, 2021816), (176, 1263635), (220, 1010908), (440, 505454), (880, 252727)]