407660

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{109}}^1$

素因数の和:146

約数の個数: 48

約数和(自身を含む): 997920

約数和(自身を除く): 590260

約数列:

[1, 2, 4, 5, 10, 11, 17, 20, 22, 34, 44, 55, 68, 85, 109, 110, 170, 187, 218, 220, 340, 374, 436, 545, 748, 935, 1090, 1199, 1853, 1870, 2180, 2398, 3706, 3740, 4796, 5995, 7412, 9265, 11990, 18530, 20383, 23980, 37060, 40766, 81532, 101915, 203830, 407660]

約数ペア:

[(1, 407660), (2, 203830), (4, 101915), (5, 81532), (10, 40766), (11, 37060), (17, 23980), (20, 20383), (22, 18530), (34, 11990), (44, 9265), (55, 7412), (68, 5995), (85, 4796), (109, 3740), (110, 3706), (170, 2398), (187, 2180), (218, 1870), (220, 1853), (340, 1199), (374, 1090), (436, 935), (545, 748)]