42420980

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{303007}}^1$

素因数の和:303023

約数の個数: 24

約数和(自身を含む): 101810688

約数和(自身を除く): 59389708

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 303007, 606014, 1212028, 1515035, 2121049, 3030070, 4242098, 6060140, 8484196, 10605245, 21210490, 42420980]

約数ペア:

[(1, 42420980), (2, 21210490), (4, 10605245), (5, 8484196), (7, 6060140), (10, 4242098), (14, 3030070), (20, 2121049), (28, 1515035), (35, 1212028), (70, 606014), (140, 303007)]