408249940

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{107}}^1\times {\mathrm{27253}}^1$

素因数の和:27376

約数の個数: 48

約数和(自身を含む): 988993152

約数和(自身を除く): 580743212

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 107, 140, 214, 428, 535, 749, 1070, 1498, 2140, 2996, 3745, 7490, 14980, 27253, 54506, 109012, 136265, 190771, 272530, 381542, 545060, 763084, 953855, 1907710, 2916071, 3815420, 5832142, 11664284, 14580355, 20412497, 29160710, 40824994, 58321420, 81649988, 102062485, 204124970, 408249940]

約数ペア:

[(1, 408249940), (2, 204124970), (4, 102062485), (5, 81649988), (7, 58321420), (10, 40824994), (14, 29160710), (20, 20412497), (28, 14580355), (35, 11664284), (70, 5832142), (107, 3815420), (140, 2916071), (214, 1907710), (428, 953855), (535, 763084), (749, 545060), (1070, 381542), (1498, 272530), (2140, 190771), (2996, 136265), (3745, 109012), (7490, 54506), (14980, 27253)]