200778890

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{2803}}^1$

素因数の和:2871

約数の個数: 64

約数和(自身を含む): 423964800

約数和(自身を除く): 223185910

約数列:

[1, 2, 5, 10, 13, 19, 26, 29, 38, 58, 65, 95, 130, 145, 190, 247, 290, 377, 494, 551, 754, 1102, 1235, 1885, 2470, 2755, 2803, 3770, 5510, 5606, 7163, 14015, 14326, 28030, 35815, 36439, 53257, 71630, 72878, 81287, 106514, 162574, 182195, 266285, 364390, 406435, 532570, 692341, 812870, 1056731, 1384682, 1544453, 2113462, 3088906, 3461705, 5283655, 6923410, 7722265, 10567310, 15444530, 20077889, 40155778, 100389445, 200778890]

約数ペア:

[(1, 200778890), (2, 100389445), (5, 40155778), (10, 20077889), (13, 15444530), (19, 10567310), (26, 7722265), (29, 6923410), (38, 5283655), (58, 3461705), (65, 3088906), (95, 2113462), (130, 1544453), (145, 1384682), (190, 1056731), (247, 812870), (290, 692341), (377, 532570), (494, 406435), (551, 364390), (754, 266285), (1102, 182195), (1235, 162574), (1885, 106514), (2470, 81287), (2755, 72878), (2803, 71630), (3770, 53257), (5510, 36439), (5606, 35815), (7163, 28030), (14015, 14326)]