225475280

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{148339}}^1$

素因数の和:148371

約数の個数: 40

約数和(自身を含む): 551824800

約数和(自身を除く): 326349520

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 152, 190, 304, 380, 760, 1520, 148339, 296678, 593356, 741695, 1186712, 1483390, 2373424, 2818441, 2966780, 5636882, 5933560, 11273764, 11867120, 14092205, 22547528, 28184410, 45095056, 56368820, 112737640, 225475280]

約数ペア:

[(1, 225475280), (2, 112737640), (4, 56368820), (5, 45095056), (8, 28184410), (10, 22547528), (16, 14092205), (19, 11867120), (20, 11273764), (38, 5933560), (40, 5636882), (76, 2966780), (80, 2818441), (95, 2373424), (152, 1483390), (190, 1186712), (304, 741695), (380, 593356), (760, 296678), (1520, 148339)]