249546180

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{319931}}^1$

素因数の和:319956

約数の個数: 48

約数和(自身を含む): 752480064

約数和(自身を除く): 502933884

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 130, 156, 195, 260, 390, 780, 319931, 639862, 959793, 1279724, 1599655, 1919586, 3199310, 3839172, 4159103, 4798965, 6398620, 8318206, 9597930, 12477309, 16636412, 19195860, 20795515, 24954618, 41591030, 49909236, 62386545, 83182060, 124773090, 249546180]

約数ペア:

[(1, 249546180), (2, 124773090), (3, 83182060), (4, 62386545), (5, 49909236), (6, 41591030), (10, 24954618), (12, 20795515), (13, 19195860), (15, 16636412), (20, 12477309), (26, 9597930), (30, 8318206), (39, 6398620), (52, 4798965), (60, 4159103), (65, 3839172), (78, 3199310), (130, 1919586), (156, 1599655), (195, 1279724), (260, 959793), (390, 639862), (780, 319931)]