207977910

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{990371}}^1$

素因数の和:990388

約数の個数: 32

約数和(自身を含む): 570454272

約数和(自身を除く): 362476362

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 70, 105, 210, 990371, 1980742, 2971113, 4951855, 5942226, 6932597, 9903710, 13865194, 14855565, 20797791, 29711130, 34662985, 41595582, 69325970, 103988955, 207977910]

約数ペア:

[(1, 207977910), (2, 103988955), (3, 69325970), (5, 41595582), (6, 34662985), (7, 29711130), (10, 20797791), (14, 14855565), (15, 13865194), (21, 9903710), (30, 6932597), (35, 5942226), (42, 4951855), (70, 2971113), (105, 1980742), (210, 990371)]