1278941180

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{200461}}^1$

素因数の和:200510

約数の個数: 48

約数和(自身を含む): 3030985440

約数和(自身を除く): 1752044260

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 29, 44, 55, 58, 110, 116, 145, 220, 290, 319, 580, 638, 1276, 1595, 3190, 6380, 200461, 400922, 801844, 1002305, 2004610, 2205071, 4009220, 4410142, 5813369, 8820284, 11025355, 11626738, 22050710, 23253476, 29066845, 44101420, 58133690, 63947059, 116267380, 127894118, 255788236, 319735295, 639470590, 1278941180]

約数ペア:

[(1, 1278941180), (2, 639470590), (4, 319735295), (5, 255788236), (10, 127894118), (11, 116267380), (20, 63947059), (22, 58133690), (29, 44101420), (44, 29066845), (55, 23253476), (58, 22050710), (110, 11626738), (116, 11025355), (145, 8820284), (220, 5813369), (290, 4410142), (319, 4009220), (580, 2205071), (638, 2004610), (1276, 1002305), (1595, 801844), (3190, 400922), (6380, 200461)]