198581960

素因数分解:

$2^3\times 5^1\times {\mathrm{37}}^1\times {\mathrm{134177}}^1$

素因数の和:134225

約数の個数: 32

約数和(自身を含む): 458888760

約数和(自身を除く): 260306800

約数列:

[1, 2, 4, 5, 8, 10, 20, 37, 40, 74, 148, 185, 296, 370, 740, 1480, 134177, 268354, 536708, 670885, 1073416, 1341770, 2683540, 4964549, 5367080, 9929098, 19858196, 24822745, 39716392, 49645490, 99290980, 198581960]

約数ペア:

[(1, 198581960), (2, 99290980), (4, 49645490), (5, 39716392), (8, 24822745), (10, 19858196), (20, 9929098), (37, 5367080), (40, 4964549), (74, 2683540), (148, 1341770), (185, 1073416), (296, 670885), (370, 536708), (740, 268354), (1480, 134177)]