153984440

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{124181}}^1$

素因数の和:124223

約数の個数: 32

約数和(自身を含む): 357644160

約数和(自身を除く): 203659720

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 248, 310, 620, 1240, 124181, 248362, 496724, 620905, 993448, 1241810, 2483620, 3849611, 4967240, 7699222, 15398444, 19248055, 30796888, 38496110, 76992220, 153984440]

約数ペア:

[(1, 153984440), (2, 76992220), (4, 38496110), (5, 30796888), (8, 19248055), (10, 15398444), (20, 7699222), (31, 4967240), (40, 3849611), (62, 2483620), (124, 1241810), (155, 993448), (248, 620905), (310, 496724), (620, 248362), (1240, 124181)]