153930280

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{549751}}^1$

素因数の和:549769

約数の個数: 32

約数和(自身を含む): 395821440

約数和(自身を除く): 241891160

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 549751, 1099502, 2199004, 2748755, 3848257, 4398008, 5497510, 7696514, 10995020, 15393028, 19241285, 21990040, 30786056, 38482570, 76965140, 153930280]

約数ペア:

[(1, 153930280), (2, 76965140), (4, 38482570), (5, 30786056), (7, 21990040), (8, 19241285), (10, 15393028), (14, 10995020), (20, 7696514), (28, 5497510), (35, 4398008), (40, 3848257), (56, 2748755), (70, 2199004), (140, 1099502), (280, 549751)]