17656660

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{43}}^1\times {\mathrm{419}}^1$

素因数の和:485

約数の個数: 72

約数和(自身を含む): 44241120

約数和(自身を除く): 26584460

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 43, 49, 70, 86, 98, 140, 172, 196, 215, 245, 301, 419, 430, 490, 602, 838, 860, 980, 1204, 1505, 1676, 2095, 2107, 2933, 3010, 4190, 4214, 5866, 6020, 8380, 8428, 10535, 11732, 14665, 18017, 20531, 21070, 29330, 36034, 41062, 42140, 58660, 72068, 82124, 90085, 102655, 126119, 180170, 205310, 252238, 360340, 410620, 504476, 630595, 882833, 1261190, 1765666, 2522380, 3531332, 4414165, 8828330, 17656660]

約数ペア:

[(1, 17656660), (2, 8828330), (4, 4414165), (5, 3531332), (7, 2522380), (10, 1765666), (14, 1261190), (20, 882833), (28, 630595), (35, 504476), (43, 410620), (49, 360340), (70, 252238), (86, 205310), (98, 180170), (140, 126119), (172, 102655), (196, 90085), (215, 82124), (245, 72068), (301, 58660), (419, 42140), (430, 41062), (490, 36034), (602, 29330), (838, 21070), (860, 20531), (980, 18017), (1204, 14665), (1505, 11732), (1676, 10535), (2095, 8428), (2107, 8380), (2933, 6020), (3010, 5866), (4190, 4214)]