278321018980

素因数分解:

$2^2\times 5^1\times {\mathrm{7309}}^1\times {\mathrm{1903961}}^1$

素因数の和:1911279

約数の個数: 24

約数和(自身を含む): 584554413240

約数和(自身を除く): 306233394260

約数列:

[1, 2, 4, 5, 10, 20, 7309, 14618, 29236, 36545, 73090, 146180, 1903961, 3807922, 7615844, 9519805, 19039610, 38079220, 13916050949, 27832101898, 55664203796, 69580254745, 139160509490, 278321018980]

約数ペア:

[(1, 278321018980), (2, 139160509490), (4, 69580254745), (5, 55664203796), (10, 27832101898), (20, 13916050949), (7309, 38079220), (14618, 19039610), (29236, 9519805), (36545, 7615844), (73090, 3807922), (146180, 1903961)]