34271780

素因数分解:

$2^2\times 5^1\times {\mathrm{79}}^1\times {\mathrm{109}}^1\times {\mathrm{199}}^1$

素因数の和:396

約数の個数: 48

約数和(自身を含む): 73920000

約数和(自身を除く): 39648220

約数列:

[1, 2, 4, 5, 10, 20, 79, 109, 158, 199, 218, 316, 395, 398, 436, 545, 790, 796, 995, 1090, 1580, 1990, 2180, 3980, 8611, 15721, 17222, 21691, 31442, 34444, 43055, 43382, 62884, 78605, 86110, 86764, 108455, 157210, 172220, 216910, 314420, 433820, 1713589, 3427178, 6854356, 8567945, 17135890, 34271780]

約数ペア:

[(1, 34271780), (2, 17135890), (4, 8567945), (5, 6854356), (10, 3427178), (20, 1713589), (79, 433820), (109, 314420), (158, 216910), (199, 172220), (218, 157210), (316, 108455), (395, 86764), (398, 86110), (436, 78605), (545, 62884), (790, 43382), (796, 43055), (995, 34444), (1090, 31442), (1580, 21691), (1990, 17222), (2180, 15721), (3980, 8611)]