201521460

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{479813}}^1$

素因数の和:479832

約数の個数: 48

約数和(自身を含む): 644870016

約数和(自身を除く): 443348556

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, 479813, 959626, 1439439, 1919252, 2399065, 2878878, 3358691, 4798130, 5757756, 6717382, 7197195, 9596260, 10076073, 13434764, 14394390, 16793455, 20152146, 28788780, 33586910, 40304292, 50380365, 67173820, 100760730, 201521460]

約数ペア:

[(1, 201521460), (2, 100760730), (3, 67173820), (4, 50380365), (5, 40304292), (6, 33586910), (7, 28788780), (10, 20152146), (12, 16793455), (14, 14394390), (15, 13434764), (20, 10076073), (21, 9596260), (28, 7197195), (30, 6717382), (35, 5757756), (42, 4798130), (60, 3358691), (70, 2878878), (84, 2399065), (105, 1919252), (140, 1439439), (210, 959626), (420, 479813)]