497703760

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{101}}^1\times {\mathrm{1987}}^1$

素因数の和:2132

約数の個数: 80

約数和(自身を含む): 1206922752

約数和(自身を除く): 709218992

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 101, 124, 155, 202, 248, 310, 404, 496, 505, 620, 808, 1010, 1240, 1616, 1987, 2020, 2480, 3131, 3974, 4040, 6262, 7948, 8080, 9935, 12524, 15655, 15896, 19870, 25048, 31310, 31792, 39740, 50096, 61597, 62620, 79480, 123194, 125240, 158960, 200687, 246388, 250480, 307985, 401374, 492776, 615970, 802748, 985552, 1003435, 1231940, 1605496, 2006870, 2463880, 3210992, 4013740, 4927760, 6221297, 8027480, 12442594, 16054960, 24885188, 31106485, 49770376, 62212970, 99540752, 124425940, 248851880, 497703760]

約数ペア:

[(1, 497703760), (2, 248851880), (4, 124425940), (5, 99540752), (8, 62212970), (10, 49770376), (16, 31106485), (20, 24885188), (31, 16054960), (40, 12442594), (62, 8027480), (80, 6221297), (101, 4927760), (124, 4013740), (155, 3210992), (202, 2463880), (248, 2006870), (310, 1605496), (404, 1231940), (496, 1003435), (505, 985552), (620, 802748), (808, 615970), (1010, 492776), (1240, 401374), (1616, 307985), (1987, 250480), (2020, 246388), (2480, 200687), (3131, 158960), (3974, 125240), (4040, 123194), (6262, 79480), (7948, 62620), (8080, 61597), (9935, 50096), (12524, 39740), (15655, 31792), (15896, 31310), (19870, 25048)]