280168672

素因数分解:

$2^5\times 7^2\times {\mathrm{197}}^1\times {\mathrm{907}}^1$

素因数の和:1128

約数の個数: 72

約数和(自身を含む): 645604344

約数和(自身を除く): 365435672

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 49, 56, 98, 112, 196, 197, 224, 392, 394, 784, 788, 907, 1379, 1568, 1576, 1814, 2758, 3152, 3628, 5516, 6304, 6349, 7256, 9653, 11032, 12698, 14512, 19306, 22064, 25396, 29024, 38612, 44128, 44443, 50792, 77224, 88886, 101584, 154448, 177772, 178679, 203168, 308896, 355544, 357358, 711088, 714716, 1250753, 1422176, 1429432, 2501506, 2858864, 5003012, 5717728, 8755271, 10006024, 17510542, 20012048, 35021084, 40024096, 70042168, 140084336, 280168672]

約数ペア:

[(1, 280168672), (2, 140084336), (4, 70042168), (7, 40024096), (8, 35021084), (14, 20012048), (16, 17510542), (28, 10006024), (32, 8755271), (49, 5717728), (56, 5003012), (98, 2858864), (112, 2501506), (196, 1429432), (197, 1422176), (224, 1250753), (392, 714716), (394, 711088), (784, 357358), (788, 355544), (907, 308896), (1379, 203168), (1568, 178679), (1576, 177772), (1814, 154448), (2758, 101584), (3152, 88886), (3628, 77224), (5516, 50792), (6304, 44443), (6349, 44128), (7256, 38612), (9653, 29024), (11032, 25396), (12698, 22064), (14512, 19306)]