1871420

素因数分解:

$2^2\times 5^1\times {\mathrm{137}}^1\times {\mathrm{683}}^1$

素因数の和:829

約数の個数: 24

約数和(自身を含む): 3964464

約数和(自身を除く): 2093044

約数列:

[1, 2, 4, 5, 10, 20, 137, 274, 548, 683, 685, 1366, 1370, 2732, 2740, 3415, 6830, 13660, 93571, 187142, 374284, 467855, 935710, 1871420]

約数ペア:

[(1, 1871420), (2, 935710), (4, 467855), (5, 374284), (10, 187142), (20, 93571), (137, 13660), (274, 6830), (548, 3415), (683, 2740), (685, 2732), (1366, 1370)]