208057720

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{8513}}^1$

素因数の和:8584

約数の個数: 64

約数和(自身を含む): 514926720

約数和(自身を除く): 306869000

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 47, 52, 65, 94, 104, 130, 188, 235, 260, 376, 470, 520, 611, 940, 1222, 1880, 2444, 3055, 4888, 6110, 8513, 12220, 17026, 24440, 34052, 42565, 68104, 85130, 110669, 170260, 221338, 340520, 400111, 442676, 553345, 800222, 885352, 1106690, 1600444, 2000555, 2213380, 3200888, 4001110, 4426760, 5201443, 8002220, 10402886, 16004440, 20805772, 26007215, 41611544, 52014430, 104028860, 208057720]

約数ペア:

[(1, 208057720), (2, 104028860), (4, 52014430), (5, 41611544), (8, 26007215), (10, 20805772), (13, 16004440), (20, 10402886), (26, 8002220), (40, 5201443), (47, 4426760), (52, 4001110), (65, 3200888), (94, 2213380), (104, 2000555), (130, 1600444), (188, 1106690), (235, 885352), (260, 800222), (376, 553345), (470, 442676), (520, 400111), (611, 340520), (940, 221338), (1222, 170260), (1880, 110669), (2444, 85130), (3055, 68104), (4888, 42565), (6110, 34052), (8513, 24440), (12220, 17026)]