8899850

素因数分解:

$2^1\times 5^2\times {\mathrm{23}}^1\times {\mathrm{71}}^1\times {\mathrm{109}}^1$

素因数の和:215

約数の個数: 48

約数和(自身を含む): 17677440

約数和(自身を除く): 8777590

約数列:

[1, 2, 5, 10, 23, 25, 46, 50, 71, 109, 115, 142, 218, 230, 355, 545, 575, 710, 1090, 1150, 1633, 1775, 2507, 2725, 3266, 3550, 5014, 5450, 7739, 8165, 12535, 15478, 16330, 25070, 38695, 40825, 62675, 77390, 81650, 125350, 177997, 193475, 355994, 386950, 889985, 1779970, 4449925, 8899850]

約数ペア:

[(1, 8899850), (2, 4449925), (5, 1779970), (10, 889985), (23, 386950), (25, 355994), (46, 193475), (50, 177997), (71, 125350), (109, 81650), (115, 77390), (142, 62675), (218, 40825), (230, 38695), (355, 25070), (545, 16330), (575, 15478), (710, 12535), (1090, 8165), (1150, 7739), (1633, 5450), (1775, 5014), (2507, 3550), (2725, 3266)]