487094320

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{197}}^1\times {\mathrm{997}}^1$

素因数の和:1238

約数の個数: 80

約数和(自身を含む): 1176139008

約数和(自身を除く): 689044688

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 124, 155, 197, 248, 310, 394, 496, 620, 788, 985, 997, 1240, 1576, 1970, 1994, 2480, 3152, 3940, 3988, 4985, 6107, 7880, 7976, 9970, 12214, 15760, 15952, 19940, 24428, 30535, 30907, 39880, 48856, 61070, 61814, 79760, 97712, 122140, 123628, 154535, 196409, 244280, 247256, 309070, 392818, 488560, 494512, 618140, 785636, 982045, 1236280, 1571272, 1964090, 2472560, 3142544, 3928180, 6088679, 7856360, 12177358, 15712720, 24354716, 30443395, 48709432, 60886790, 97418864, 121773580, 243547160, 487094320]

約数ペア:

[(1, 487094320), (2, 243547160), (4, 121773580), (5, 97418864), (8, 60886790), (10, 48709432), (16, 30443395), (20, 24354716), (31, 15712720), (40, 12177358), (62, 7856360), (80, 6088679), (124, 3928180), (155, 3142544), (197, 2472560), (248, 1964090), (310, 1571272), (394, 1236280), (496, 982045), (620, 785636), (788, 618140), (985, 494512), (997, 488560), (1240, 392818), (1576, 309070), (1970, 247256), (1994, 244280), (2480, 196409), (3152, 154535), (3940, 123628), (3988, 122140), (4985, 97712), (6107, 79760), (7880, 61814), (7976, 61070), (9970, 48856), (12214, 39880), (15760, 30907), (15952, 30535), (19940, 24428)]