290165260

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{11}}^2\times {\mathrm{2447}}^1$

素因数の和:2492

約数の個数: 108

約数和(自身を含む): 779448096

約数和(自身を除く): 489282836

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 44, 49, 55, 70, 77, 98, 110, 121, 140, 154, 196, 220, 242, 245, 308, 385, 484, 490, 539, 605, 770, 847, 980, 1078, 1210, 1540, 1694, 2156, 2420, 2447, 2695, 3388, 4235, 4894, 5390, 5929, 8470, 9788, 10780, 11858, 12235, 16940, 17129, 23716, 24470, 26917, 29645, 34258, 48940, 53834, 59290, 68516, 85645, 107668, 118580, 119903, 134585, 171290, 188419, 239806, 269170, 296087, 342580, 376838, 479612, 538340, 592174, 599515, 753676, 942095, 1184348, 1199030, 1318933, 1480435, 1884190, 2072609, 2398060, 2637866, 2960870, 3768380, 4145218, 5275732, 5921740, 6594665, 8290436, 10363045, 13189330, 14508263, 20726090, 26378660, 29016526, 41452180, 58033052, 72541315, 145082630, 290165260]

約数ペア:

[(1, 290165260), (2, 145082630), (4, 72541315), (5, 58033052), (7, 41452180), (10, 29016526), (11, 26378660), (14, 20726090), (20, 14508263), (22, 13189330), (28, 10363045), (35, 8290436), (44, 6594665), (49, 5921740), (55, 5275732), (70, 4145218), (77, 3768380), (98, 2960870), (110, 2637866), (121, 2398060), (140, 2072609), (154, 1884190), (196, 1480435), (220, 1318933), (242, 1199030), (245, 1184348), (308, 942095), (385, 753676), (484, 599515), (490, 592174), (539, 538340), (605, 479612), (770, 376838), (847, 342580), (980, 296087), (1078, 269170), (1210, 239806), (1540, 188419), (1694, 171290), (2156, 134585), (2420, 119903), (2447, 118580), (2695, 107668), (3388, 85645), (4235, 68516), (4894, 59290), (5390, 53834), (5929, 48940), (8470, 34258), (9788, 29645), (10780, 26917), (11858, 24470), (12235, 23716), (16940, 17129)]