129899660

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{109}}^1\times {\mathrm{5417}}^1$

素因数の和:5546

約数の個数: 48

約数和(自身を含む): 300373920

約数和(自身を除く): 170474260

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 109, 110, 218, 220, 436, 545, 1090, 1199, 2180, 2398, 4796, 5417, 5995, 10834, 11990, 21668, 23980, 27085, 54170, 59587, 108340, 119174, 238348, 297935, 590453, 595870, 1180906, 1191740, 2361812, 2952265, 5904530, 6494983, 11809060, 12989966, 25979932, 32474915, 64949830, 129899660]

約数ペア:

[(1, 129899660), (2, 64949830), (4, 32474915), (5, 25979932), (10, 12989966), (11, 11809060), (20, 6494983), (22, 5904530), (44, 2952265), (55, 2361812), (109, 1191740), (110, 1180906), (218, 595870), (220, 590453), (436, 297935), (545, 238348), (1090, 119174), (1199, 108340), (2180, 59587), (2398, 54170), (4796, 27085), (5417, 23980), (5995, 21668), (10834, 11990)]