846782980

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{389}}^1\times {\mathrm{3511}}^1$

素因数の和:3940

約数の個数: 48

約数和(自身を含む): 1840849920

約数和(自身を除く): 994066940

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 310, 389, 620, 778, 1556, 1945, 3511, 3890, 7022, 7780, 12059, 14044, 17555, 24118, 35110, 48236, 60295, 70220, 108841, 120590, 217682, 241180, 435364, 544205, 1088410, 1365779, 2176820, 2731558, 5463116, 6828895, 13657790, 27315580, 42339149, 84678298, 169356596, 211695745, 423391490, 846782980]

約数ペア:

[(1, 846782980), (2, 423391490), (4, 211695745), (5, 169356596), (10, 84678298), (20, 42339149), (31, 27315580), (62, 13657790), (124, 6828895), (155, 5463116), (310, 2731558), (389, 2176820), (620, 1365779), (778, 1088410), (1556, 544205), (1945, 435364), (3511, 241180), (3890, 217682), (7022, 120590), (7780, 108841), (12059, 70220), (14044, 60295), (17555, 48236), (24118, 35110)]