338994920

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{857}}^1$

素因数の和:939

約数の個数: 128

約数和(自身を含む): 889574400

約数和(自身を除く): 550579480

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 29, 31, 40, 44, 55, 58, 62, 88, 110, 116, 124, 145, 155, 220, 232, 248, 290, 310, 319, 341, 440, 580, 620, 638, 682, 857, 899, 1160, 1240, 1276, 1364, 1595, 1705, 1714, 1798, 2552, 2728, 3190, 3410, 3428, 3596, 4285, 4495, 6380, 6820, 6856, 7192, 8570, 8990, 9427, 9889, 12760, 13640, 17140, 17980, 18854, 19778, 24853, 26567, 34280, 35960, 37708, 39556, 47135, 49445, 49706, 53134, 75416, 79112, 94270, 98890, 99412, 106268, 124265, 132835, 188540, 197780, 198824, 212536, 248530, 265670, 273383, 292237, 377080, 395560, 497060, 531340, 546766, 584474, 770443, 994120, 1062680, 1093532, 1168948, 1366915, 1461185, 1540886, 2187064, 2337896, 2733830, 2922370, 3081772, 3852215, 5467660, 5844740, 6163544, 7704430, 8474873, 10935320, 11689480, 15408860, 16949746, 30817720, 33899492, 42374365, 67798984, 84748730, 169497460, 338994920]

約数ペア:

[(1, 338994920), (2, 169497460), (4, 84748730), (5, 67798984), (8, 42374365), (10, 33899492), (11, 30817720), (20, 16949746), (22, 15408860), (29, 11689480), (31, 10935320), (40, 8474873), (44, 7704430), (55, 6163544), (58, 5844740), (62, 5467660), (88, 3852215), (110, 3081772), (116, 2922370), (124, 2733830), (145, 2337896), (155, 2187064), (220, 1540886), (232, 1461185), (248, 1366915), (290, 1168948), (310, 1093532), (319, 1062680), (341, 994120), (440, 770443), (580, 584474), (620, 546766), (638, 531340), (682, 497060), (857, 395560), (899, 377080), (1160, 292237), (1240, 273383), (1276, 265670), (1364, 248530), (1595, 212536), (1705, 198824), (1714, 197780), (1798, 188540), (2552, 132835), (2728, 124265), (3190, 106268), (3410, 99412), (3428, 98890), (3596, 94270), (4285, 79112), (4495, 75416), (6380, 53134), (6820, 49706), (6856, 49445), (7192, 47135), (8570, 39556), (8990, 37708), (9427, 35960), (9889, 34280), (12760, 26567), (13640, 24853), (17140, 19778), (17980, 18854)]