205740392

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{149}}^1$

素因数の和:267

約数の個数: 128

約数和(自身を含む): 489888000

約数和(自身を除く): 284147608

約数列:

[1, 2, 4, 8, 11, 13, 17, 22, 26, 34, 44, 52, 68, 71, 88, 104, 136, 142, 143, 149, 187, 221, 284, 286, 298, 374, 442, 568, 572, 596, 748, 781, 884, 923, 1144, 1192, 1207, 1496, 1562, 1639, 1768, 1846, 1937, 2414, 2431, 2533, 3124, 3278, 3692, 3874, 4828, 4862, 5066, 6248, 6556, 7384, 7748, 9656, 9724, 10132, 10153, 10579, 13112, 13277, 15496, 15691, 19448, 20264, 20306, 21158, 21307, 26554, 27863, 31382, 32929, 40612, 42316, 42614, 53108, 55726, 62764, 65858, 81224, 84632, 85228, 106216, 111452, 116369, 125528, 131716, 137527, 170456, 172601, 179843, 222904, 232738, 263432, 275054, 345202, 359686, 362219, 465476, 550108, 690404, 719372, 724438, 930952, 1100216, 1380808, 1438744, 1448876, 1512797, 1978273, 2337959, 2897752, 3025594, 3956546, 4675918, 6051188, 7913092, 9351836, 12102376, 15826184, 18703672, 25717549, 51435098, 102870196, 205740392]

約数ペア:

[(1, 205740392), (2, 102870196), (4, 51435098), (8, 25717549), (11, 18703672), (13, 15826184), (17, 12102376), (22, 9351836), (26, 7913092), (34, 6051188), (44, 4675918), (52, 3956546), (68, 3025594), (71, 2897752), (88, 2337959), (104, 1978273), (136, 1512797), (142, 1448876), (143, 1438744), (149, 1380808), (187, 1100216), (221, 930952), (284, 724438), (286, 719372), (298, 690404), (374, 550108), (442, 465476), (568, 362219), (572, 359686), (596, 345202), (748, 275054), (781, 263432), (884, 232738), (923, 222904), (1144, 179843), (1192, 172601), (1207, 170456), (1496, 137527), (1562, 131716), (1639, 125528), (1768, 116369), (1846, 111452), (1937, 106216), (2414, 85228), (2431, 84632), (2533, 81224), (3124, 65858), (3278, 62764), (3692, 55726), (3874, 53108), (4828, 42614), (4862, 42316), (5066, 40612), (6248, 32929), (6556, 31382), (7384, 27863), (7748, 26554), (9656, 21307), (9724, 21158), (10132, 20306), (10153, 20264), (10579, 19448), (13112, 15691), (13277, 15496)]