201676780

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{197}}^1\times {\mathrm{3011}}^1$

素因数の和:3234

約数の個数: 48

約数和(自身を含む): 450860256

約数和(自身を除く): 249183476

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 197, 340, 394, 788, 985, 1970, 3011, 3349, 3940, 6022, 6698, 12044, 13396, 15055, 16745, 30110, 33490, 51187, 60220, 66980, 102374, 204748, 255935, 511870, 593167, 1023740, 1186334, 2372668, 2965835, 5931670, 10083839, 11863340, 20167678, 40335356, 50419195, 100838390, 201676780]

約数ペア:

[(1, 201676780), (2, 100838390), (4, 50419195), (5, 40335356), (10, 20167678), (17, 11863340), (20, 10083839), (34, 5931670), (68, 2965835), (85, 2372668), (170, 1186334), (197, 1023740), (340, 593167), (394, 511870), (788, 255935), (985, 204748), (1970, 102374), (3011, 66980), (3349, 60220), (3940, 51187), (6022, 33490), (6698, 30110), (12044, 16745), (13396, 15055)]