998142557440

素因数分解:

$2^8\times 5^1\times 7^1\times {\mathrm{347}}^1\times {\mathrm{321037}}^1$

素因数の和:321412

約数の個数: 144

約数和(自身を含む): 2740298182272

約数和(自身を除く): 1742155624832

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 80, 112, 128, 140, 160, 224, 256, 280, 320, 347, 448, 560, 640, 694, 896, 1120, 1280, 1388, 1735, 1792, 2240, 2429, 2776, 3470, 4480, 4858, 5552, 6940, 8960, 9716, 11104, 12145, 13880, 19432, 22208, 24290, 27760, 38864, 44416, 48580, 55520, 77728, 88832, 97160, 111040, 155456, 194320, 222080, 310912, 321037, 388640, 444160, 621824, 642074, 777280, 1284148, 1554560, 1605185, 2247259, 2568296, 3109120, 3210370, 4494518, 5136592, 6420740, 8989036, 10273184, 11236295, 12841480, 17978072, 20546368, 22472590, 25682960, 35956144, 41092736, 44945180, 51365920, 71912288, 82185472, 89890360, 102731840, 111399839, 143824576, 179780720, 205463680, 222799678, 287649152, 359561440, 410927360, 445599356, 556999195, 575298304, 719122880, 779798873, 891198712, 1113998390, 1438245760, 1559597746, 1782397424, 2227996780, 2876491520, 3119195492, 3564794848, 3898994365, 4455993560, 6238390984, 7129589696, 7797988730, 8911987120, 12476781968, 14259179392, 15595977460, 17823974240, 24953563936, 28518358784, 31191954920, 35647948480, 49907127872, 62383909840, 71295896960, 99814255744, 124767819680, 142591793920, 199628511488, 249535639360, 499071278720, 998142557440]

約数ペア:

[(1, 998142557440), (2, 499071278720), (4, 249535639360), (5, 199628511488), (7, 142591793920), (8, 124767819680), (10, 99814255744), (14, 71295896960), (16, 62383909840), (20, 49907127872), (28, 35647948480), (32, 31191954920), (35, 28518358784), (40, 24953563936), (56, 17823974240), (64, 15595977460), (70, 14259179392), (80, 12476781968), (112, 8911987120), (128, 7797988730), (140, 7129589696), (160, 6238390984), (224, 4455993560), (256, 3898994365), (280, 3564794848), (320, 3119195492), (347, 2876491520), (448, 2227996780), (560, 1782397424), (640, 1559597746), (694, 1438245760), (896, 1113998390), (1120, 891198712), (1280, 779798873), (1388, 719122880), (1735, 575298304), (1792, 556999195), (2240, 445599356), (2429, 410927360), (2776, 359561440), (3470, 287649152), (4480, 222799678), (4858, 205463680), (5552, 179780720), (6940, 143824576), (8960, 111399839), (9716, 102731840), (11104, 89890360), (12145, 82185472), (13880, 71912288), (19432, 51365920), (22208, 44945180), (24290, 41092736), (27760, 35956144), (38864, 25682960), (44416, 22472590), (48580, 20546368), (55520, 17978072), (77728, 12841480), (88832, 11236295), (97160, 10273184), (111040, 8989036), (155456, 6420740), (194320, 5136592), (222080, 4494518), (310912, 3210370), (321037, 3109120), (388640, 2568296), (444160, 2247259), (621824, 1605185), (642074, 1554560), (777280, 1284148)]