128219900

素因数分解:

$2^2\times 5^2\times {\mathrm{233}}^1\times {\mathrm{5503}}^1$

素因数の和:5750

約数の個数: 36

約数和(自身を含む): 279482112

約数和(自身を除く): 151262212

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 233, 466, 932, 1165, 2330, 4660, 5503, 5825, 11006, 11650, 22012, 23300, 27515, 55030, 110060, 137575, 275150, 550300, 1282199, 2564398, 5128796, 6410995, 12821990, 25643980, 32054975, 64109950, 128219900]

約数ペア:

[(1, 128219900), (2, 64109950), (4, 32054975), (5, 25643980), (10, 12821990), (20, 6410995), (25, 5128796), (50, 2564398), (100, 1282199), (233, 550300), (466, 275150), (932, 137575), (1165, 110060), (2330, 55030), (4660, 27515), (5503, 23300), (5825, 22012), (11006, 11650)]