28354210

素因数分解:

$2^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{197}}^1\times {\mathrm{389}}^1$

素因数の和:630

約数の個数: 32

約数和(自身を含む): 52818480

約数和(自身を除く): 24464270

約数列:

[1, 2, 5, 10, 37, 74, 185, 197, 370, 389, 394, 778, 985, 1945, 1970, 3890, 7289, 14393, 14578, 28786, 36445, 71965, 72890, 76633, 143930, 153266, 383165, 766330, 2835421, 5670842, 14177105, 28354210]

約数ペア:

[(1, 28354210), (2, 14177105), (5, 5670842), (10, 2835421), (37, 766330), (74, 383165), (185, 153266), (197, 143930), (370, 76633), (389, 72890), (394, 71965), (778, 36445), (985, 28786), (1945, 14578), (1970, 14393), (3890, 7289)]