1894420

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{79}}^1\times {\mathrm{109}}^1$

素因数の和:208

約数の個数: 48

約数和(自身を含む): 4435200

約数和(自身を除く): 2540780

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 79, 109, 110, 158, 218, 220, 316, 395, 436, 545, 790, 869, 1090, 1199, 1580, 1738, 2180, 2398, 3476, 4345, 4796, 5995, 8611, 8690, 11990, 17222, 17380, 23980, 34444, 43055, 86110, 94721, 172220, 189442, 378884, 473605, 947210, 1894420]

約数ペア:

[(1, 1894420), (2, 947210), (4, 473605), (5, 378884), (10, 189442), (11, 172220), (20, 94721), (22, 86110), (44, 43055), (55, 34444), (79, 23980), (109, 17380), (110, 17222), (158, 11990), (218, 8690), (220, 8611), (316, 5995), (395, 4796), (436, 4345), (545, 3476), (790, 2398), (869, 2180), (1090, 1738), (1199, 1580)]