4270540

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{199}}^1$

素因数の和:274

約数の個数: 48

約数和(自身を含む): 9576000

約数和(自身を除く): 5305460

約数列:

[1, 2, 4, 5, 10, 20, 29, 37, 58, 74, 116, 145, 148, 185, 199, 290, 370, 398, 580, 740, 796, 995, 1073, 1990, 2146, 3980, 4292, 5365, 5771, 7363, 10730, 11542, 14726, 21460, 23084, 28855, 29452, 36815, 57710, 73630, 115420, 147260, 213527, 427054, 854108, 1067635, 2135270, 4270540]

約数ペア:

[(1, 4270540), (2, 2135270), (4, 1067635), (5, 854108), (10, 427054), (20, 213527), (29, 147260), (37, 115420), (58, 73630), (74, 57710), (116, 36815), (145, 29452), (148, 28855), (185, 23084), (199, 21460), (290, 14726), (370, 11542), (398, 10730), (580, 7363), (740, 5771), (796, 5365), (995, 4292), (1073, 3980), (1990, 2146)]