2881842520

素因数分解:

$2^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{61}}^1\times {\mathrm{139}}^1\times {\mathrm{293}}^1$

素因数の和:533

約数の個数: 128

約数和(自身を含む): 6890184000

約数和(自身を除く): 4008341480

約数列:

[1, 2, 4, 5, 8, 10, 20, 29, 40, 58, 61, 116, 122, 139, 145, 232, 244, 278, 290, 293, 305, 488, 556, 580, 586, 610, 695, 1112, 1160, 1172, 1220, 1390, 1465, 1769, 2344, 2440, 2780, 2930, 3538, 4031, 5560, 5860, 7076, 8062, 8479, 8497, 8845, 11720, 14152, 16124, 16958, 16994, 17690, 17873, 20155, 32248, 33916, 33988, 35380, 35746, 40310, 40727, 42395, 42485, 67832, 67976, 70760, 71492, 80620, 81454, 84790, 84970, 89365, 142984, 161240, 162908, 169580, 169940, 178730, 203635, 245891, 325816, 339160, 339880, 357460, 407270, 491782, 518317, 714920, 814540, 983564, 1036634, 1181083, 1229455, 1629080, 1967128, 2073268, 2362166, 2458910, 2484347, 2591585, 4146536, 4724332, 4917820, 4968694, 5183170, 5905415, 9448664, 9835640, 9937388, 10366340, 11810830, 12421735, 19874776, 20732680, 23621660, 24843470, 47243320, 49686940, 72046063, 99373880, 144092126, 288184252, 360230315, 576368504, 720460630, 1440921260, 2881842520]

約数ペア:

[(1, 2881842520), (2, 1440921260), (4, 720460630), (5, 576368504), (8, 360230315), (10, 288184252), (20, 144092126), (29, 99373880), (40, 72046063), (58, 49686940), (61, 47243320), (116, 24843470), (122, 23621660), (139, 20732680), (145, 19874776), (232, 12421735), (244, 11810830), (278, 10366340), (290, 9937388), (293, 9835640), (305, 9448664), (488, 5905415), (556, 5183170), (580, 4968694), (586, 4917820), (610, 4724332), (695, 4146536), (1112, 2591585), (1160, 2484347), (1172, 2458910), (1220, 2362166), (1390, 2073268), (1465, 1967128), (1769, 1629080), (2344, 1229455), (2440, 1181083), (2780, 1036634), (2930, 983564), (3538, 814540), (4031, 714920), (5560, 518317), (5860, 491782), (7076, 407270), (8062, 357460), (8479, 339880), (8497, 339160), (8845, 325816), (11720, 245891), (14152, 203635), (16124, 178730), (16958, 169940), (16994, 169580), (17690, 162908), (17873, 161240), (20155, 142984), (32248, 89365), (33916, 84970), (33988, 84790), (35380, 81454), (35746, 80620), (40310, 71492), (40727, 70760), (42395, 67976), (42485, 67832)]