201818680

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{23251}}^1$

素因数の和:23300

約数の個数: 64

約数和(自身を含む): 535726080

約数和(自身を除く): 333907400

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 31, 35, 40, 56, 62, 70, 124, 140, 155, 217, 248, 280, 310, 434, 620, 868, 1085, 1240, 1736, 2170, 4340, 8680, 23251, 46502, 93004, 116255, 162757, 186008, 232510, 325514, 465020, 651028, 720781, 813785, 930040, 1302056, 1441562, 1627570, 2883124, 3255140, 3603905, 5045467, 5766248, 6510280, 7207810, 10090934, 14415620, 20181868, 25227335, 28831240, 40363736, 50454670, 100909340, 201818680]

約数ペア:

[(1, 201818680), (2, 100909340), (4, 50454670), (5, 40363736), (7, 28831240), (8, 25227335), (10, 20181868), (14, 14415620), (20, 10090934), (28, 7207810), (31, 6510280), (35, 5766248), (40, 5045467), (56, 3603905), (62, 3255140), (70, 2883124), (124, 1627570), (140, 1441562), (155, 1302056), (217, 930040), (248, 813785), (280, 720781), (310, 651028), (434, 465020), (620, 325514), (868, 232510), (1085, 186008), (1240, 162757), (1736, 116255), (2170, 93004), (4340, 46502), (8680, 23251)]