2912372980

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{389}}^1\times {\mathrm{34031}}^1$

素因数の和:34440

約数の個数: 48

約数和(自身を含む): 6689329920

約数和(自身を除く): 3776956940

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 389, 778, 1556, 1945, 3890, 4279, 7780, 8558, 17116, 21395, 34031, 42790, 68062, 85580, 136124, 170155, 340310, 374341, 680620, 748682, 1497364, 1871705, 3743410, 7486820, 13238059, 26476118, 52952236, 66190295, 132380590, 145618649, 264761180, 291237298, 582474596, 728093245, 1456186490, 2912372980]

約数ペア:

[(1, 2912372980), (2, 1456186490), (4, 728093245), (5, 582474596), (10, 291237298), (11, 264761180), (20, 145618649), (22, 132380590), (44, 66190295), (55, 52952236), (110, 26476118), (220, 13238059), (389, 7486820), (778, 3743410), (1556, 1871705), (1945, 1497364), (3890, 748682), (4279, 680620), (7780, 374341), (8558, 340310), (17116, 170155), (21395, 136124), (34031, 85580), (42790, 68062)]