381909640

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{1363963}}^1$

素因数の和:1363981

約数の個数: 32

約数和(自身を含む): 982054080

約数和(自身を除く): 600144440

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 1363963, 2727926, 5455852, 6819815, 9547741, 10911704, 13639630, 19095482, 27279260, 38190964, 47738705, 54558520, 76381928, 95477410, 190954820, 381909640]

約数ペア:

[(1, 381909640), (2, 190954820), (4, 95477410), (5, 76381928), (7, 54558520), (8, 47738705), (10, 38190964), (14, 27279260), (20, 19095482), (28, 13639630), (35, 10911704), (40, 9547741), (56, 6819815), (70, 5455852), (140, 2727926), (280, 1363963)]