222798660

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{409}}^1\times {\mathrm{1297}}^1$

素因数の和:1725

約数の個数: 96

約数和(自身を含む): 715249920

約数和(自身を除く): 492451260

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 409, 420, 818, 1227, 1297, 1636, 2045, 2454, 2594, 2863, 3891, 4090, 4908, 5188, 5726, 6135, 6485, 7782, 8180, 8589, 9079, 11452, 12270, 12970, 14315, 15564, 17178, 18158, 19455, 24540, 25940, 27237, 28630, 34356, 36316, 38910, 42945, 45395, 54474, 57260, 77820, 85890, 90790, 108948, 136185, 171780, 181580, 272370, 530473, 544740, 1060946, 1591419, 2121892, 2652365, 3182838, 3713311, 5304730, 6365676, 7426622, 7957095, 10609460, 11139933, 14853244, 15914190, 18566555, 22279866, 31828380, 37133110, 44559732, 55699665, 74266220, 111399330, 222798660]

約数ペア:

[(1, 222798660), (2, 111399330), (3, 74266220), (4, 55699665), (5, 44559732), (6, 37133110), (7, 31828380), (10, 22279866), (12, 18566555), (14, 15914190), (15, 14853244), (20, 11139933), (21, 10609460), (28, 7957095), (30, 7426622), (35, 6365676), (42, 5304730), (60, 3713311), (70, 3182838), (84, 2652365), (105, 2121892), (140, 1591419), (210, 1060946), (409, 544740), (420, 530473), (818, 272370), (1227, 181580), (1297, 171780), (1636, 136185), (2045, 108948), (2454, 90790), (2594, 85890), (2863, 77820), (3891, 57260), (4090, 54474), (4908, 45395), (5188, 42945), (5726, 38910), (6135, 36316), (6485, 34356), (7782, 28630), (8180, 27237), (8589, 25940), (9079, 24540), (11452, 19455), (12270, 18158), (12970, 17178), (14315, 15564)]