494562020

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{173}}^1\times {\mathrm{7523}}^1$

素因数の和:7724

約数の個数: 48

約数和(自身を含む): 1099707840

約数和(自身を除く): 605145820

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 173, 190, 346, 380, 692, 865, 1730, 3287, 3460, 6574, 7523, 13148, 15046, 16435, 30092, 32870, 37615, 65740, 75230, 142937, 150460, 285874, 571748, 714685, 1301479, 1429370, 2602958, 2858740, 5205916, 6507395, 13014790, 24728101, 26029580, 49456202, 98912404, 123640505, 247281010, 494562020]

約数ペア:

[(1, 494562020), (2, 247281010), (4, 123640505), (5, 98912404), (10, 49456202), (19, 26029580), (20, 24728101), (38, 13014790), (76, 6507395), (95, 5205916), (173, 2858740), (190, 2602958), (346, 1429370), (380, 1301479), (692, 714685), (865, 571748), (1730, 285874), (3287, 150460), (3460, 142937), (6574, 75230), (7523, 65740), (13148, 37615), (15046, 32870), (16435, 30092)]