2358980

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{211}}^1$

素因数の和:276

約数の個数: 48

約数和(自身を含む): 5484864

約数和(自身を除く): 3125884

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 43, 52, 65, 86, 130, 172, 211, 215, 260, 422, 430, 559, 844, 860, 1055, 1118, 2110, 2236, 2743, 2795, 4220, 5486, 5590, 9073, 10972, 11180, 13715, 18146, 27430, 36292, 45365, 54860, 90730, 117949, 181460, 235898, 471796, 589745, 1179490, 2358980]

約数ペア:

[(1, 2358980), (2, 1179490), (4, 589745), (5, 471796), (10, 235898), (13, 181460), (20, 117949), (26, 90730), (43, 54860), (52, 45365), (65, 36292), (86, 27430), (130, 18146), (172, 13715), (211, 11180), (215, 10972), (260, 9073), (422, 5590), (430, 5486), (559, 4220), (844, 2795), (860, 2743), (1055, 2236), (1118, 2110)]