726343820

素因数分解:

$2^2\times 5^1\times {\mathrm{107}}^1\times {\mathrm{339413}}^1$

素因数の和:339529

約数の個数: 24

約数和(自身を含む): 1539581904

約数和(自身を除く): 813238084

約数列:

[1, 2, 4, 5, 10, 20, 107, 214, 428, 535, 1070, 2140, 339413, 678826, 1357652, 1697065, 3394130, 6788260, 36317191, 72634382, 145268764, 181585955, 363171910, 726343820]

約数ペア:

[(1, 726343820), (2, 363171910), (4, 181585955), (5, 145268764), (10, 72634382), (20, 36317191), (107, 6788260), (214, 3394130), (428, 1697065), (535, 1357652), (1070, 678826), (2140, 339413)]