42768980

素因数分解:

$2^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{30119}}^1$

素因数の和:30199

約数の個数: 24

約数和(自身を含む): 91082880

約数和(自身を除く): 48313900

約数列:

[1, 2, 4, 5, 10, 20, 71, 142, 284, 355, 710, 1420, 30119, 60238, 120476, 150595, 301190, 602380, 2138449, 4276898, 8553796, 10692245, 21384490, 42768980]

約数ペア:

[(1, 42768980), (2, 21384490), (4, 10692245), (5, 8553796), (10, 4276898), (20, 2138449), (71, 602380), (142, 301190), (284, 150595), (355, 120476), (710, 60238), (1420, 30119)]