208739765220

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{7879}}^1\times {\mathrm{63079}}^1$

素因数の和:70977

約数の個数: 96

約数和(自身を含む): 668062617600

約数和(自身を除く): 459322852380

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, 420, 7879, 15758, 23637, 31516, 39395, 47274, 55153, 63079, 78790, 94548, 110306, 118185, 126158, 157580, 165459, 189237, 220612, 236370, 252316, 275765, 315395, 330918, 378474, 441553, 472740, 551530, 630790, 661836, 756948, 827295, 883106, 946185, 1103060, 1261580, 1324659, 1654590, 1766212, 1892370, 2207765, 2649318, 3309180, 3784740, 4415530, 5298636, 6623295, 8831060, 13246590, 26493180, 496999441, 993998882, 1490998323, 1987997764, 2484997205, 2981996646, 3478996087, 4969994410, 5963993292, 6957992174, 7454991615, 9939988820, 10436988261, 13915984348, 14909983230, 17394980435, 20873976522, 29819966460, 34789960870, 41747953044, 52184941305, 69579921740, 104369882610, 208739765220]

約数ペア:

[(1, 208739765220), (2, 104369882610), (3, 69579921740), (4, 52184941305), (5, 41747953044), (6, 34789960870), (7, 29819966460), (10, 20873976522), (12, 17394980435), (14, 14909983230), (15, 13915984348), (20, 10436988261), (21, 9939988820), (28, 7454991615), (30, 6957992174), (35, 5963993292), (42, 4969994410), (60, 3478996087), (70, 2981996646), (84, 2484997205), (105, 1987997764), (140, 1490998323), (210, 993998882), (420, 496999441), (7879, 26493180), (15758, 13246590), (23637, 8831060), (31516, 6623295), (39395, 5298636), (47274, 4415530), (55153, 3784740), (63079, 3309180), (78790, 2649318), (94548, 2207765), (110306, 1892370), (118185, 1766212), (126158, 1654590), (157580, 1324659), (165459, 1261580), (189237, 1103060), (220612, 946185), (236370, 883106), (252316, 827295), (275765, 756948), (315395, 661836), (330918, 630790), (378474, 551530), (441553, 472740)]