71420020

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{8363}}^1$

素因数の和:8440

約数の個数: 48

約数和(自身を含む): 174238848

約数和(自身を除く): 102818828

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 61, 70, 122, 140, 244, 305, 427, 610, 854, 1220, 1708, 2135, 4270, 8363, 8540, 16726, 33452, 41815, 58541, 83630, 117082, 167260, 234164, 292705, 510143, 585410, 1020286, 1170820, 2040572, 2550715, 3571001, 5101430, 7142002, 10202860, 14284004, 17855005, 35710010, 71420020]

約数ペア:

[(1, 71420020), (2, 35710010), (4, 17855005), (5, 14284004), (7, 10202860), (10, 7142002), (14, 5101430), (20, 3571001), (28, 2550715), (35, 2040572), (61, 1170820), (70, 1020286), (122, 585410), (140, 510143), (244, 292705), (305, 234164), (427, 167260), (610, 117082), (854, 83630), (1220, 58541), (1708, 41815), (2135, 33452), (4270, 16726), (8363, 8540)]