197282020

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{10687}}^1$

素因数の和:10780

約数の個数: 48

約数和(自身を含む): 452487168

約数和(自身を除く): 255205148

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 71, 130, 142, 260, 284, 355, 710, 923, 1420, 1846, 3692, 4615, 9230, 10687, 18460, 21374, 42748, 53435, 106870, 138931, 213740, 277862, 555724, 694655, 758777, 1389310, 1517554, 2778620, 3035108, 3793885, 7587770, 9864101, 15175540, 19728202, 39456404, 49320505, 98641010, 197282020]

約数ペア:

[(1, 197282020), (2, 98641010), (4, 49320505), (5, 39456404), (10, 19728202), (13, 15175540), (20, 9864101), (26, 7587770), (52, 3793885), (65, 3035108), (71, 2778620), (130, 1517554), (142, 1389310), (260, 758777), (284, 694655), (355, 555724), (710, 277862), (923, 213740), (1420, 138931), (1846, 106870), (3692, 53435), (4615, 42748), (9230, 21374), (10687, 18460)]