2427940

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{193}}^1$

素因数の和:256

約数の個数: 48

約数和(自身を含む): 5573232

約数和(自身を除く): 3145292

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 37, 68, 74, 85, 148, 170, 185, 193, 340, 370, 386, 629, 740, 772, 965, 1258, 1930, 2516, 3145, 3281, 3860, 6290, 6562, 7141, 12580, 13124, 14282, 16405, 28564, 32810, 35705, 65620, 71410, 121397, 142820, 242794, 485588, 606985, 1213970, 2427940]

約数ペア:

[(1, 2427940), (2, 1213970), (4, 606985), (5, 485588), (10, 242794), (17, 142820), (20, 121397), (34, 71410), (37, 65620), (68, 35705), (74, 32810), (85, 28564), (148, 16405), (170, 14282), (185, 13124), (193, 12580), (340, 7141), (370, 6562), (386, 6290), (629, 3860), (740, 3281), (772, 3145), (965, 2516), (1258, 1930)]