819920

素因数分解:

$2^4\times 5^1\times {\mathrm{37}}^1\times {\mathrm{277}}^1$

素因数の和:327

約数の個数: 40

約数和(自身を含む): 1964904

約数和(自身を除く): 1144984

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 37, 40, 74, 80, 148, 185, 277, 296, 370, 554, 592, 740, 1108, 1385, 1480, 2216, 2770, 2960, 4432, 5540, 10249, 11080, 20498, 22160, 40996, 51245, 81992, 102490, 163984, 204980, 409960, 819920]

約数ペア:

[(1, 819920), (2, 409960), (4, 204980), (5, 163984), (8, 102490), (10, 81992), (16, 51245), (20, 40996), (37, 22160), (40, 20498), (74, 11080), (80, 10249), (148, 5540), (185, 4432), (277, 2960), (296, 2770), (370, 2216), (554, 1480), (592, 1385), (740, 1108)]