280011208

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{1063}}^1\times {\mathrm{1733}}^1$

素因数の和:2821

約数の個数: 32

約数和(自身を含む): 553492800

約数和(自身を除く): 273481592

約数列:

[1, 2, 4, 8, 19, 38, 76, 152, 1063, 1733, 2126, 3466, 4252, 6932, 8504, 13864, 20197, 32927, 40394, 65854, 80788, 131708, 161576, 263416, 1842179, 3684358, 7368716, 14737432, 35001401, 70002802, 140005604, 280011208]

約数ペア:

[(1, 280011208), (2, 140005604), (4, 70002802), (8, 35001401), (19, 14737432), (38, 7368716), (76, 3684358), (152, 1842179), (1063, 263416), (1733, 161576), (2126, 131708), (3466, 80788), (4252, 65854), (6932, 40394), (8504, 32927), (13864, 20197)]