198147820

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{8563}}^1$

素因数の和:8674

約数の個数: 48

約数和(自身を含む): 453206880

約数和(自身を除く): 255059060

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 89, 130, 178, 260, 356, 445, 890, 1157, 1780, 2314, 4628, 5785, 8563, 11570, 17126, 23140, 34252, 42815, 85630, 111319, 171260, 222638, 445276, 556595, 762107, 1113190, 1524214, 2226380, 3048428, 3810535, 7621070, 9907391, 15242140, 19814782, 39629564, 49536955, 99073910, 198147820]

約数ペア:

[(1, 198147820), (2, 99073910), (4, 49536955), (5, 39629564), (10, 19814782), (13, 15242140), (20, 9907391), (26, 7621070), (52, 3810535), (65, 3048428), (89, 2226380), (130, 1524214), (178, 1113190), (260, 762107), (356, 556595), (445, 445276), (890, 222638), (1157, 171260), (1780, 111319), (2314, 85630), (4628, 42815), (5785, 34252), (8563, 23140), (11570, 17126)]