280993736

素因数分解:

$2^3\times {\mathrm{19}}^2\times {\mathrm{149}}^1\times {\mathrm{653}}^1$

素因数の和:846

約数の個数: 48

約数和(自身を含む): 560641500

約数和(自身を除く): 279647764

約数列:

[1, 2, 4, 8, 19, 38, 76, 149, 152, 298, 361, 596, 653, 722, 1192, 1306, 1444, 2612, 2831, 2888, 5224, 5662, 11324, 12407, 22648, 24814, 49628, 53789, 97297, 99256, 107578, 194594, 215156, 235733, 389188, 430312, 471466, 778376, 942932, 1848643, 1885864, 3697286, 7394572, 14789144, 35124217, 70248434, 140496868, 280993736]

約数ペア:

[(1, 280993736), (2, 140496868), (4, 70248434), (8, 35124217), (19, 14789144), (38, 7394572), (76, 3697286), (149, 1885864), (152, 1848643), (298, 942932), (361, 778376), (596, 471466), (653, 430312), (722, 389188), (1192, 235733), (1306, 215156), (1444, 194594), (2612, 107578), (2831, 99256), (2888, 97297), (5224, 53789), (5662, 49628), (11324, 24814), (12407, 22648)]