1384804940

素因数分解:

$2^2\times 5^1\times {\mathrm{101}}^1\times {\mathrm{685547}}^1$

素因数の和:685657

約数の個数: 24

約数和(自身を含む): 2936887632

約数和(自身を除く): 1552082692

約数列:

[1, 2, 4, 5, 10, 20, 101, 202, 404, 505, 1010, 2020, 685547, 1371094, 2742188, 3427735, 6855470, 13710940, 69240247, 138480494, 276960988, 346201235, 692402470, 1384804940]

約数ペア:

[(1, 1384804940), (2, 692402470), (4, 346201235), (5, 276960988), (10, 138480494), (20, 69240247), (101, 13710940), (202, 6855470), (404, 3427735), (505, 2742188), (1010, 1371094), (2020, 685547)]