4190780

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{443}}^1$

素因数の和:506

約数の個数: 48

約数和(自身を含む): 9846144

約数和(自身を除く): 5655364

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 43, 44, 55, 86, 110, 172, 215, 220, 430, 443, 473, 860, 886, 946, 1772, 1892, 2215, 2365, 4430, 4730, 4873, 8860, 9460, 9746, 19049, 19492, 24365, 38098, 48730, 76196, 95245, 97460, 190490, 209539, 380980, 419078, 838156, 1047695, 2095390, 4190780]

約数ペア:

[(1, 4190780), (2, 2095390), (4, 1047695), (5, 838156), (10, 419078), (11, 380980), (20, 209539), (22, 190490), (43, 97460), (44, 95245), (55, 76196), (86, 48730), (110, 38098), (172, 24365), (215, 19492), (220, 19049), (430, 9746), (443, 9460), (473, 8860), (860, 4873), (886, 4730), (946, 4430), (1772, 2365), (1892, 2215)]