284949520

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{89}}^1\times {\mathrm{1291}}^1$

素因数の和:1424

約数の個数: 80

約数和(自身を含む): 692098560

約数和(自身を除く): 407149040

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 89, 124, 155, 178, 248, 310, 356, 445, 496, 620, 712, 890, 1240, 1291, 1424, 1780, 2480, 2582, 2759, 3560, 5164, 5518, 6455, 7120, 10328, 11036, 12910, 13795, 20656, 22072, 25820, 27590, 40021, 44144, 51640, 55180, 80042, 103280, 110360, 114899, 160084, 200105, 220720, 229798, 320168, 400210, 459596, 574495, 640336, 800420, 919192, 1148990, 1600840, 1838384, 2297980, 3201680, 3561869, 4595960, 7123738, 9191920, 14247476, 17809345, 28494952, 35618690, 56989904, 71237380, 142474760, 284949520]

約数ペア:

[(1, 284949520), (2, 142474760), (4, 71237380), (5, 56989904), (8, 35618690), (10, 28494952), (16, 17809345), (20, 14247476), (31, 9191920), (40, 7123738), (62, 4595960), (80, 3561869), (89, 3201680), (124, 2297980), (155, 1838384), (178, 1600840), (248, 1148990), (310, 919192), (356, 800420), (445, 640336), (496, 574495), (620, 459596), (712, 400210), (890, 320168), (1240, 229798), (1291, 220720), (1424, 200105), (1780, 160084), (2480, 114899), (2582, 110360), (2759, 103280), (3560, 80042), (5164, 55180), (5518, 51640), (6455, 44144), (7120, 40021), (10328, 27590), (11036, 25820), (12910, 22072), (13795, 20656)]