67620980

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{69001}}^1$

素因数の和:69024

約数の個数: 36

約数和(自身を含む): 165190788

約数和(自身を除く): 97569808

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 490, 980, 69001, 138002, 276004, 345005, 483007, 690010, 966014, 1380020, 1932028, 2415035, 3381049, 4830070, 6762098, 9660140, 13524196, 16905245, 33810490, 67620980]

約数ペア:

[(1, 67620980), (2, 33810490), (4, 16905245), (5, 13524196), (7, 9660140), (10, 6762098), (14, 4830070), (20, 3381049), (28, 2415035), (35, 1932028), (49, 1380020), (70, 966014), (98, 690010), (140, 483007), (196, 345005), (245, 276004), (490, 138002), (980, 69001)]