84904220

素因数分解:

$2^2\times 5^1\times {\mathrm{89}}^1\times {\mathrm{47699}}^1$

素因数の和:47797

約数の個数: 24

約数和(自身を含む): 180306000

約数和(自身を除く): 95401780

約数列:

[1, 2, 4, 5, 10, 20, 89, 178, 356, 445, 890, 1780, 47699, 95398, 190796, 238495, 476990, 953980, 4245211, 8490422, 16980844, 21226055, 42452110, 84904220]

約数ペア:

[(1, 84904220), (2, 42452110), (4, 21226055), (5, 16980844), (10, 8490422), (20, 4245211), (89, 953980), (178, 476990), (356, 238495), (445, 190796), (890, 95398), (1780, 47699)]