247087780

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{691}}^1\times {\mathrm{941}}^1$

素因数の和:1660

約数の個数: 48

約数和(自身を含む): 547565760

約数和(自身を除く): 300477980

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 691, 941, 1382, 1882, 2764, 3455, 3764, 4705, 6910, 9410, 13129, 13820, 17879, 18820, 26258, 35758, 52516, 65645, 71516, 89395, 131290, 178790, 262580, 357580, 650231, 1300462, 2600924, 3251155, 6502310, 12354389, 13004620, 24708778, 49417556, 61771945, 123543890, 247087780]

約数ペア:

[(1, 247087780), (2, 123543890), (4, 61771945), (5, 49417556), (10, 24708778), (19, 13004620), (20, 12354389), (38, 6502310), (76, 3251155), (95, 2600924), (190, 1300462), (380, 650231), (691, 357580), (941, 262580), (1382, 178790), (1882, 131290), (2764, 89395), (3455, 71516), (3764, 65645), (4705, 52516), (6910, 35758), (9410, 26258), (13129, 18820), (13820, 17879)]