2051270380

素因数分解:

$2^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{197}}^1\times {\mathrm{14071}}^1$

素因数の和:14314

約数の個数: 48

約数和(自身を含む): 4446864576

約数和(自身を除く): 2395594196

約数列:

[1, 2, 4, 5, 10, 20, 37, 74, 148, 185, 197, 370, 394, 740, 788, 985, 1970, 3940, 7289, 14071, 14578, 28142, 29156, 36445, 56284, 70355, 72890, 140710, 145780, 281420, 520627, 1041254, 2082508, 2603135, 2771987, 5206270, 5543974, 10412540, 11087948, 13859935, 27719870, 55439740, 102563519, 205127038, 410254076, 512817595, 1025635190, 2051270380]

約数ペア:

[(1, 2051270380), (2, 1025635190), (4, 512817595), (5, 410254076), (10, 205127038), (20, 102563519), (37, 55439740), (74, 27719870), (148, 13859935), (185, 11087948), (197, 10412540), (370, 5543974), (394, 5206270), (740, 2771987), (788, 2603135), (985, 2082508), (1970, 1041254), (3940, 520627), (7289, 281420), (14071, 145780), (14578, 140710), (28142, 72890), (29156, 70355), (36445, 56284)]