29228890

素因数分解:

$2^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{197}}^1\times {\mathrm{401}}^1$

素因数の和:642

約数の個数: 32

約数和(自身を含む): 54443664

約数和(自身を除く): 25214774

約数列:

[1, 2, 5, 10, 37, 74, 185, 197, 370, 394, 401, 802, 985, 1970, 2005, 4010, 7289, 14578, 14837, 29674, 36445, 72890, 74185, 78997, 148370, 157994, 394985, 789970, 2922889, 5845778, 14614445, 29228890]

約数ペア:

[(1, 29228890), (2, 14614445), (5, 5845778), (10, 2922889), (37, 789970), (74, 394985), (185, 157994), (197, 148370), (370, 78997), (394, 74185), (401, 72890), (802, 36445), (985, 29674), (1970, 14837), (2005, 14578), (4010, 7289)]