98989880

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{224977}}^1$

素因数の和:224999

約数の個数: 32

約数和(自身を含む): 242976240

約数和(自身を除く): 143986360

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 224977, 449954, 899908, 1124885, 1799816, 2249770, 2474747, 4499540, 4949494, 8999080, 9898988, 12373735, 19797976, 24747470, 49494940, 98989880]

約数ペア:

[(1, 98989880), (2, 49494940), (4, 24747470), (5, 19797976), (8, 12373735), (10, 9898988), (11, 8999080), (20, 4949494), (22, 4499540), (40, 2474747), (44, 2249770), (55, 1799816), (88, 1124885), (110, 899908), (220, 449954), (440, 224977)]