280210380

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{203051}}^1$

素因数の和:203086

約数の個数: 48

約数和(自身を含む): 818705664

約数和(自身を除く): 538495284

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 23, 30, 46, 60, 69, 92, 115, 138, 230, 276, 345, 460, 690, 1380, 203051, 406102, 609153, 812204, 1015255, 1218306, 2030510, 2436612, 3045765, 4061020, 4670173, 6091530, 9340346, 12183060, 14010519, 18680692, 23350865, 28021038, 46701730, 56042076, 70052595, 93403460, 140105190, 280210380]

約数ペア:

[(1, 280210380), (2, 140105190), (3, 93403460), (4, 70052595), (5, 56042076), (6, 46701730), (10, 28021038), (12, 23350865), (15, 18680692), (20, 14010519), (23, 12183060), (30, 9340346), (46, 6091530), (60, 4670173), (69, 4061020), (92, 3045765), (115, 2436612), (138, 2030510), (230, 1218306), (276, 1015255), (345, 812204), (460, 609153), (690, 406102), (1380, 203051)]