217236440

素因数分解:

$2^3\times 5^1\times {\mathrm{739}}^1\times {\mathrm{7349}}^1$

素因数の和:8099

約数の個数: 32

約数和(自身を含む): 489510000

約数和(自身を除く): 272273560

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 739, 1478, 2956, 3695, 5912, 7349, 7390, 14698, 14780, 29396, 29560, 36745, 58792, 73490, 146980, 293960, 5430911, 10861822, 21723644, 27154555, 43447288, 54309110, 108618220, 217236440]

約数ペア:

[(1, 217236440), (2, 108618220), (4, 54309110), (5, 43447288), (8, 27154555), (10, 21723644), (20, 10861822), (40, 5430911), (739, 293960), (1478, 146980), (2956, 73490), (3695, 58792), (5912, 36745), (7349, 29560), (7390, 29396), (14698, 14780)]