2020270

素因数分解:

$2^1\times 5^1\times 7^3\times {\mathrm{19}}^1\times {\mathrm{31}}^1$

素因数の和:78

約数の個数: 64

約数和(自身を含む): 4608000

約数和(自身を除く): 2587730

約数列:

[1, 2, 5, 7, 10, 14, 19, 31, 35, 38, 49, 62, 70, 95, 98, 133, 155, 190, 217, 245, 266, 310, 343, 434, 490, 589, 665, 686, 931, 1085, 1178, 1330, 1519, 1715, 1862, 2170, 2945, 3038, 3430, 4123, 4655, 5890, 6517, 7595, 8246, 9310, 10633, 13034, 15190, 20615, 21266, 28861, 32585, 41230, 53165, 57722, 65170, 106330, 144305, 202027, 288610, 404054, 1010135, 2020270]

約数ペア:

[(1, 2020270), (2, 1010135), (5, 404054), (7, 288610), (10, 202027), (14, 144305), (19, 106330), (31, 65170), (35, 57722), (38, 53165), (49, 41230), (62, 32585), (70, 28861), (95, 21266), (98, 20615), (133, 15190), (155, 13034), (190, 10633), (217, 9310), (245, 8246), (266, 7595), (310, 6517), (343, 5890), (434, 4655), (490, 4123), (589, 3430), (665, 3038), (686, 2945), (931, 2170), (1085, 1862), (1178, 1715), (1330, 1519)]