5540980

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{379}}^1$

素因数の和:448

約数の個数: 48

約数和(自身を含む): 12640320

約数和(自身を除く): 7099340

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 43, 68, 85, 86, 170, 172, 215, 340, 379, 430, 731, 758, 860, 1462, 1516, 1895, 2924, 3655, 3790, 6443, 7310, 7580, 12886, 14620, 16297, 25772, 32215, 32594, 64430, 65188, 81485, 128860, 162970, 277049, 325940, 554098, 1108196, 1385245, 2770490, 5540980]

約数ペア:

[(1, 5540980), (2, 2770490), (4, 1385245), (5, 1108196), (10, 554098), (17, 325940), (20, 277049), (34, 162970), (43, 128860), (68, 81485), (85, 65188), (86, 64430), (170, 32594), (172, 32215), (215, 25772), (340, 16297), (379, 14620), (430, 12886), (731, 7580), (758, 7310), (860, 6443), (1462, 3790), (1516, 3655), (1895, 2924)]