138758910

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{349}}^1\times {\mathrm{457}}^1$

素因数の和:845

約数の個数: 64

約数和(自身を含む): 346248000

約数和(自身を除く): 207489090

約数列:

[1, 2, 3, 5, 6, 10, 15, 29, 30, 58, 87, 145, 174, 290, 349, 435, 457, 698, 870, 914, 1047, 1371, 1745, 2094, 2285, 2742, 3490, 4570, 5235, 6855, 10121, 10470, 13253, 13710, 20242, 26506, 30363, 39759, 50605, 60726, 66265, 79518, 101210, 132530, 151815, 159493, 198795, 303630, 318986, 397590, 478479, 797465, 956958, 1594930, 2392395, 4625297, 4784790, 9250594, 13875891, 23126485, 27751782, 46252970, 69379455, 138758910]

約数ペア:

[(1, 138758910), (2, 69379455), (3, 46252970), (5, 27751782), (6, 23126485), (10, 13875891), (15, 9250594), (29, 4784790), (30, 4625297), (58, 2392395), (87, 1594930), (145, 956958), (174, 797465), (290, 478479), (349, 397590), (435, 318986), (457, 303630), (698, 198795), (870, 159493), (914, 151815), (1047, 132530), (1371, 101210), (1745, 79518), (2094, 66265), (2285, 60726), (2742, 50605), (3490, 39759), (4570, 30363), (5235, 26506), (6855, 20242), (10121, 13710), (10470, 13253)]