207865140

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{494917}}^1$

素因数の和:494936

約数の個数: 48

約数和(自身を含む): 665169792

約数和(自身を除く): 457304652

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 494917, 989834, 1484751, 1979668, 2474585, 2969502, 3464419, 4949170, 5939004, 6928838, 7423755, 9898340, 10393257, 13857676, 14847510, 17322095, 20786514, 29695020, 34644190, 41573028, 51966285, 69288380, 103932570, 207865140]

約数ペア:

[(1, 207865140), (2, 103932570), (3, 69288380), (4, 51966285), (5, 41573028), (6, 34644190), (7, 29695020), (10, 20786514), (12, 17322095), (14, 14847510), (15, 13857676), (20, 10393257), (21, 9898340), (28, 7423755), (30, 6928838), (35, 5939004), (42, 4949170), (60, 3464419), (70, 2969502), (84, 2474585), (105, 1979668), (140, 1484751), (210, 989834), (420, 494917)]