816620

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{307}}^1$

素因数の和:342

約数の個数: 48

約数和(自身を含む): 2069760

約数和(自身を除く): 1253140

約数列:

[1, 2, 4, 5, 7, 10, 14, 19, 20, 28, 35, 38, 70, 76, 95, 133, 140, 190, 266, 307, 380, 532, 614, 665, 1228, 1330, 1535, 2149, 2660, 3070, 4298, 5833, 6140, 8596, 10745, 11666, 21490, 23332, 29165, 40831, 42980, 58330, 81662, 116660, 163324, 204155, 408310, 816620]

約数ペア:

[(1, 816620), (2, 408310), (4, 204155), (5, 163324), (7, 116660), (10, 81662), (14, 58330), (19, 42980), (20, 40831), (28, 29165), (35, 23332), (38, 21490), (70, 11666), (76, 10745), (95, 8596), (133, 6140), (140, 5833), (190, 4298), (266, 3070), (307, 2660), (380, 2149), (532, 1535), (614, 1330), (665, 1228)]