2644664260

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{43}}^1\times {\mathrm{97}}^1\times {\mathrm{647}}^1$

素因数の和:810

約数の個数: 144

約数和(自身を含む): 6689257344

約数和(自身を除く): 4044593084

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 43, 49, 70, 86, 97, 98, 140, 172, 194, 196, 215, 245, 301, 388, 430, 485, 490, 602, 647, 679, 860, 970, 980, 1204, 1294, 1358, 1505, 1940, 2107, 2588, 2716, 3010, 3235, 3395, 4171, 4214, 4529, 4753, 6020, 6470, 6790, 8342, 8428, 9058, 9506, 10535, 12940, 13580, 16684, 18116, 19012, 20855, 21070, 22645, 23765, 27821, 29197, 31703, 41710, 42140, 45290, 47530, 55642, 58394, 62759, 63406, 83420, 90580, 95060, 111284, 116788, 125518, 126812, 139105, 145985, 158515, 194747, 204379, 251036, 278210, 291970, 313795, 317030, 389494, 408758, 439313, 556420, 583940, 627590, 634060, 778988, 817516, 878626, 973735, 1021895, 1255180, 1363229, 1757252, 1947470, 2043790, 2196565, 2698637, 2726458, 3075191, 3894940, 4087580, 4393130, 5397274, 5452916, 6150382, 6816145, 8786260, 10794548, 12300764, 13493185, 13632290, 15375955, 18890459, 26986370, 27264580, 30751910, 37780918, 53972740, 61503820, 75561836, 94452295, 132233213, 188904590, 264466426, 377809180, 528932852, 661166065, 1322332130, 2644664260]

約数ペア:

[(1, 2644664260), (2, 1322332130), (4, 661166065), (5, 528932852), (7, 377809180), (10, 264466426), (14, 188904590), (20, 132233213), (28, 94452295), (35, 75561836), (43, 61503820), (49, 53972740), (70, 37780918), (86, 30751910), (97, 27264580), (98, 26986370), (140, 18890459), (172, 15375955), (194, 13632290), (196, 13493185), (215, 12300764), (245, 10794548), (301, 8786260), (388, 6816145), (430, 6150382), (485, 5452916), (490, 5397274), (602, 4393130), (647, 4087580), (679, 3894940), (860, 3075191), (970, 2726458), (980, 2698637), (1204, 2196565), (1294, 2043790), (1358, 1947470), (1505, 1757252), (1940, 1363229), (2107, 1255180), (2588, 1021895), (2716, 973735), (3010, 878626), (3235, 817516), (3395, 778988), (4171, 634060), (4214, 627590), (4529, 583940), (4753, 556420), (6020, 439313), (6470, 408758), (6790, 389494), (8342, 317030), (8428, 313795), (9058, 291970), (9506, 278210), (10535, 251036), (12940, 204379), (13580, 194747), (16684, 158515), (18116, 145985), (19012, 139105), (20855, 126812), (21070, 125518), (22645, 116788), (23765, 111284), (27821, 95060), (29197, 90580), (31703, 83420), (41710, 63406), (42140, 62759), (45290, 58394), (47530, 55642)]