206688380

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{14827}}^1$

素因数の和:14894

約数の個数: 48

約数和(自身を含む): 470818656

約数和(自身を除く): 264130276

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 41, 68, 82, 85, 164, 170, 205, 340, 410, 697, 820, 1394, 2788, 3485, 6970, 13940, 14827, 29654, 59308, 74135, 148270, 252059, 296540, 504118, 607907, 1008236, 1215814, 1260295, 2431628, 2520590, 3039535, 5041180, 6079070, 10334419, 12158140, 20668838, 41337676, 51672095, 103344190, 206688380]

約数ペア:

[(1, 206688380), (2, 103344190), (4, 51672095), (5, 41337676), (10, 20668838), (17, 12158140), (20, 10334419), (34, 6079070), (41, 5041180), (68, 3039535), (82, 2520590), (85, 2431628), (164, 1260295), (170, 1215814), (205, 1008236), (340, 607907), (410, 504118), (697, 296540), (820, 252059), (1394, 148270), (2788, 74135), (3485, 59308), (6970, 29654), (13940, 14827)]