208390420

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{87559}}^1$

素因数の和:87592

約数の個数: 48

約数和(自身を含む): 529562880

約数和(自身を除く): 321172460

約数列:

[1, 2, 4, 5, 7, 10, 14, 17, 20, 28, 34, 35, 68, 70, 85, 119, 140, 170, 238, 340, 476, 595, 1190, 2380, 87559, 175118, 350236, 437795, 612913, 875590, 1225826, 1488503, 1751180, 2451652, 2977006, 3064565, 5954012, 6129130, 7442515, 10419521, 12258260, 14885030, 20839042, 29770060, 41678084, 52097605, 104195210, 208390420]

約数ペア:

[(1, 208390420), (2, 104195210), (4, 52097605), (5, 41678084), (7, 29770060), (10, 20839042), (14, 14885030), (17, 12258260), (20, 10419521), (28, 7442515), (34, 6129130), (35, 5954012), (68, 3064565), (70, 2977006), (85, 2451652), (119, 1751180), (140, 1488503), (170, 1225826), (238, 875590), (340, 612913), (476, 437795), (595, 350236), (1190, 175118), (2380, 87559)]