3788840

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{79}}^1\times {\mathrm{109}}^1$

素因数の和:210

約数の個数: 64

約数和(自身を含む): 9504000

約数和(自身を除く): 5715160

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 79, 88, 109, 110, 158, 218, 220, 316, 395, 436, 440, 545, 632, 790, 869, 872, 1090, 1199, 1580, 1738, 2180, 2398, 3160, 3476, 4345, 4360, 4796, 5995, 6952, 8611, 8690, 9592, 11990, 17222, 17380, 23980, 34444, 34760, 43055, 47960, 68888, 86110, 94721, 172220, 189442, 344440, 378884, 473605, 757768, 947210, 1894420, 3788840]

約数ペア:

[(1, 3788840), (2, 1894420), (4, 947210), (5, 757768), (8, 473605), (10, 378884), (11, 344440), (20, 189442), (22, 172220), (40, 94721), (44, 86110), (55, 68888), (79, 47960), (88, 43055), (109, 34760), (110, 34444), (158, 23980), (218, 17380), (220, 17222), (316, 11990), (395, 9592), (436, 8690), (440, 8611), (545, 6952), (632, 5995), (790, 4796), (869, 4360), (872, 4345), (1090, 3476), (1199, 3160), (1580, 2398), (1738, 2180)]