2011195480

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{461}}^1\times {\mathrm{15581}}^1$

素因数の和:16060

約数の個数: 64

約数和(自身を含む): 5183196480

約数和(自身を除く): 3172001000

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 461, 922, 1844, 2305, 3227, 3688, 4610, 6454, 9220, 12908, 15581, 16135, 18440, 25816, 31162, 32270, 62324, 64540, 77905, 109067, 124648, 129080, 155810, 218134, 311620, 436268, 545335, 623240, 872536, 1090670, 2181340, 4362680, 7182841, 14365682, 28731364, 35914205, 50279887, 57462728, 71828410, 100559774, 143656820, 201119548, 251399435, 287313640, 402239096, 502798870, 1005597740, 2011195480]

約数ペア:

[(1, 2011195480), (2, 1005597740), (4, 502798870), (5, 402239096), (7, 287313640), (8, 251399435), (10, 201119548), (14, 143656820), (20, 100559774), (28, 71828410), (35, 57462728), (40, 50279887), (56, 35914205), (70, 28731364), (140, 14365682), (280, 7182841), (461, 4362680), (922, 2181340), (1844, 1090670), (2305, 872536), (3227, 623240), (3688, 545335), (4610, 436268), (6454, 311620), (9220, 218134), (12908, 155810), (15581, 129080), (16135, 124648), (18440, 109067), (25816, 77905), (31162, 64540), (32270, 62324)]