205948680

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{245177}}^1$

素因数の和:245198

約数の個数: 64

約数和(自身を含む): 706112640

約数和(自身を除く): 500163960

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 140, 168, 210, 280, 420, 840, 245177, 490354, 735531, 980708, 1225885, 1471062, 1716239, 1961416, 2451770, 2942124, 3432478, 3677655, 4903540, 5148717, 5884248, 6864956, 7355310, 8581195, 9807080, 10297434, 13729912, 14710620, 17162390, 20594868, 25743585, 29421240, 34324780, 41189736, 51487170, 68649560, 102974340, 205948680]

約数ペア:

[(1, 205948680), (2, 102974340), (3, 68649560), (4, 51487170), (5, 41189736), (6, 34324780), (7, 29421240), (8, 25743585), (10, 20594868), (12, 17162390), (14, 14710620), (15, 13729912), (20, 10297434), (21, 9807080), (24, 8581195), (28, 7355310), (30, 6864956), (35, 5884248), (40, 5148717), (42, 4903540), (56, 3677655), (60, 3432478), (70, 2942124), (84, 2451770), (105, 1961416), (120, 1716239), (140, 1471062), (168, 1225885), (210, 980708), (280, 735531), (420, 490354), (840, 245177)]