128902970

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{63499}}^1$

素因数の和:63542

約数の個数: 32

約数和(自身を含む): 274320000

約数和(自身を除く): 145417030

約数列:

[1, 2, 5, 7, 10, 14, 29, 35, 58, 70, 145, 203, 290, 406, 1015, 2030, 63499, 126998, 317495, 444493, 634990, 888986, 1841471, 2222465, 3682942, 4444930, 9207355, 12890297, 18414710, 25780594, 64451485, 128902970]

約数ペア:

[(1, 128902970), (2, 64451485), (5, 25780594), (7, 18414710), (10, 12890297), (14, 9207355), (29, 4444930), (35, 3682942), (58, 2222465), (70, 1841471), (145, 888986), (203, 634990), (290, 444493), (406, 317495), (1015, 126998), (2030, 63499)]