78889749200

素因数分解:

$2^4\times 5^2\times {\mathrm{197224373}}^1$

素因数の和:197224391

約数の個数: 30

約数和(自身を含む): 189532623414

約数和(自身を除く): 110642874214

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 200, 400, 197224373, 394448746, 788897492, 986121865, 1577794984, 1972243730, 3155589968, 3944487460, 4930609325, 7888974920, 9861218650, 15777949840, 19722437300, 39444874600, 78889749200]

約数ペア:

[(1, 78889749200), (2, 39444874600), (4, 19722437300), (5, 15777949840), (8, 9861218650), (10, 7888974920), (16, 4930609325), (20, 3944487460), (25, 3155589968), (40, 1972243730), (50, 1577794984), (80, 986121865), (100, 788897492), (200, 394448746), (400, 197224373)]