71848820

素因数分解:

$2^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{151}}^1\times {\mathrm{643}}^1$

素因数の和:840

約数の個数: 48

約数和(自身を含む): 156229248

約数和(自身を除く): 84380428

約数列:

[1, 2, 4, 5, 10, 20, 37, 74, 148, 151, 185, 302, 370, 604, 643, 740, 755, 1286, 1510, 2572, 3020, 3215, 5587, 6430, 11174, 12860, 22348, 23791, 27935, 47582, 55870, 95164, 97093, 111740, 118955, 194186, 237910, 388372, 475820, 485465, 970930, 1941860, 3592441, 7184882, 14369764, 17962205, 35924410, 71848820]

約数ペア:

[(1, 71848820), (2, 35924410), (4, 17962205), (5, 14369764), (10, 7184882), (20, 3592441), (37, 1941860), (74, 970930), (148, 485465), (151, 475820), (185, 388372), (302, 237910), (370, 194186), (604, 118955), (643, 111740), (740, 97093), (755, 95164), (1286, 55870), (1510, 47582), (2572, 27935), (3020, 23791), (3215, 22348), (5587, 12860), (6430, 11174)]