218995980

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{227}}^1\times {\mathrm{2297}}^1$

素因数の和:2543

約数の個数: 96

約数和(自身を含む): 704180736

約数和(自身を除く): 485184756

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, 227, 420, 454, 681, 908, 1135, 1362, 1589, 2270, 2297, 2724, 3178, 3405, 4540, 4594, 4767, 6356, 6810, 6891, 7945, 9188, 9534, 11485, 13620, 13782, 15890, 16079, 19068, 22970, 23835, 27564, 31780, 32158, 34455, 45940, 47670, 48237, 64316, 68910, 80395, 95340, 96474, 137820, 160790, 192948, 241185, 321580, 482370, 521419, 964740, 1042838, 1564257, 2085676, 2607095, 3128514, 3649933, 5214190, 6257028, 7299866, 7821285, 10428380, 10949799, 14599732, 15642570, 18249665, 21899598, 31285140, 36499330, 43799196, 54748995, 72998660, 109497990, 218995980]

約数ペア:

[(1, 218995980), (2, 109497990), (3, 72998660), (4, 54748995), (5, 43799196), (6, 36499330), (7, 31285140), (10, 21899598), (12, 18249665), (14, 15642570), (15, 14599732), (20, 10949799), (21, 10428380), (28, 7821285), (30, 7299866), (35, 6257028), (42, 5214190), (60, 3649933), (70, 3128514), (84, 2607095), (105, 2085676), (140, 1564257), (210, 1042838), (227, 964740), (420, 521419), (454, 482370), (681, 321580), (908, 241185), (1135, 192948), (1362, 160790), (1589, 137820), (2270, 96474), (2297, 95340), (2724, 80395), (3178, 68910), (3405, 64316), (4540, 48237), (4594, 47670), (4767, 45940), (6356, 34455), (6810, 32158), (6891, 31780), (7945, 27564), (9188, 23835), (9534, 22970), (11485, 19068), (13620, 16079), (13782, 15890)]