748082020

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{763349}}^1$

素因数の和:763372

約数の個数: 36

約数和(自身を含む): 1827459900

約数和(自身を除く): 1079377880

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 490, 980, 763349, 1526698, 3053396, 3816745, 5343443, 7633490, 10686886, 15266980, 21373772, 26717215, 37404101, 53434430, 74808202, 106868860, 149616404, 187020505, 374041010, 748082020]

約数ペア:

[(1, 748082020), (2, 374041010), (4, 187020505), (5, 149616404), (7, 106868860), (10, 74808202), (14, 53434430), (20, 37404101), (28, 26717215), (35, 21373772), (49, 15266980), (70, 10686886), (98, 7633490), (140, 5343443), (196, 3816745), (245, 3053396), (490, 1526698), (980, 763349)]