1903280

素因数分解:

$2^4\times 5^1\times {\mathrm{37}}^1\times {\mathrm{643}}^1$

素因数の和:693

約数の個数: 40

約数和(自身を含む): 4551792

約数和(自身を除く): 2648512

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 37, 40, 74, 80, 148, 185, 296, 370, 592, 643, 740, 1286, 1480, 2572, 2960, 3215, 5144, 6430, 10288, 12860, 23791, 25720, 47582, 51440, 95164, 118955, 190328, 237910, 380656, 475820, 951640, 1903280]

約数ペア:

[(1, 1903280), (2, 951640), (4, 475820), (5, 380656), (8, 237910), (10, 190328), (16, 118955), (20, 95164), (37, 51440), (40, 47582), (74, 25720), (80, 23791), (148, 12860), (185, 10288), (296, 6430), (370, 5144), (592, 3215), (643, 2960), (740, 2572), (1286, 1480)]