289290760

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{127}}^1\times {\mathrm{167}}^1$

素因数の和:347

約数の個数: 128

約数和(自身を含む): 743178240

約数和(自身を除く): 453887480

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 31, 40, 44, 55, 62, 88, 110, 124, 127, 155, 167, 220, 248, 254, 310, 334, 341, 440, 508, 620, 635, 668, 682, 835, 1016, 1240, 1270, 1336, 1364, 1397, 1670, 1705, 1837, 2540, 2728, 2794, 3340, 3410, 3674, 3937, 5080, 5177, 5588, 6680, 6820, 6985, 7348, 7874, 9185, 10354, 11176, 13640, 13970, 14696, 15748, 18370, 19685, 20708, 21209, 25885, 27940, 31496, 36740, 39370, 41416, 42418, 43307, 51770, 55880, 56947, 73480, 78740, 84836, 86614, 103540, 106045, 113894, 157480, 169672, 173228, 207080, 212090, 216535, 227788, 233299, 284735, 346456, 424180, 433070, 455576, 466598, 569470, 657479, 848360, 866140, 933196, 1138940, 1166495, 1314958, 1732280, 1866392, 2277880, 2332990, 2629916, 3287395, 4665980, 5259832, 6574790, 7232269, 9331960, 13149580, 14464538, 26299160, 28929076, 36161345, 57858152, 72322690, 144645380, 289290760]

約数ペア:

[(1, 289290760), (2, 144645380), (4, 72322690), (5, 57858152), (8, 36161345), (10, 28929076), (11, 26299160), (20, 14464538), (22, 13149580), (31, 9331960), (40, 7232269), (44, 6574790), (55, 5259832), (62, 4665980), (88, 3287395), (110, 2629916), (124, 2332990), (127, 2277880), (155, 1866392), (167, 1732280), (220, 1314958), (248, 1166495), (254, 1138940), (310, 933196), (334, 866140), (341, 848360), (440, 657479), (508, 569470), (620, 466598), (635, 455576), (668, 433070), (682, 424180), (835, 346456), (1016, 284735), (1240, 233299), (1270, 227788), (1336, 216535), (1364, 212090), (1397, 207080), (1670, 173228), (1705, 169672), (1837, 157480), (2540, 113894), (2728, 106045), (2794, 103540), (3340, 86614), (3410, 84836), (3674, 78740), (3937, 73480), (5080, 56947), (5177, 55880), (5588, 51770), (6680, 43307), (6820, 42418), (6985, 41416), (7348, 39370), (7874, 36740), (9185, 31496), (10354, 27940), (11176, 25885), (13640, 21209), (13970, 20708), (14696, 19685), (15748, 18370)]