530480

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{349}}^1$

素因数の和:381

約数の個数: 40

約数和(自身を含む): 1302000

約数和(自身を除く): 771520

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 152, 190, 304, 349, 380, 698, 760, 1396, 1520, 1745, 2792, 3490, 5584, 6631, 6980, 13262, 13960, 26524, 27920, 33155, 53048, 66310, 106096, 132620, 265240, 530480]

約数ペア:

[(1, 530480), (2, 265240), (4, 132620), (5, 106096), (8, 66310), (10, 53048), (16, 33155), (19, 27920), (20, 26524), (38, 13960), (40, 13262), (76, 6980), (80, 6631), (95, 5584), (152, 3490), (190, 2792), (304, 1745), (349, 1520), (380, 1396), (698, 760)]