196970000

素因数分解:

$2^4\times 5^4\times {\mathrm{19697}}^1$

素因数の和:19725

約数の個数: 50

約数和(自身を含む): 476908278

約数和(自身を除く): 279938278

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 125, 200, 250, 400, 500, 625, 1000, 1250, 2000, 2500, 5000, 10000, 19697, 39394, 78788, 98485, 157576, 196970, 315152, 393940, 492425, 787880, 984850, 1575760, 1969700, 2462125, 3939400, 4924250, 7878800, 9848500, 12310625, 19697000, 24621250, 39394000, 49242500, 98485000, 196970000]

約数ペア:

[(1, 196970000), (2, 98485000), (4, 49242500), (5, 39394000), (8, 24621250), (10, 19697000), (16, 12310625), (20, 9848500), (25, 7878800), (40, 4924250), (50, 3939400), (80, 2462125), (100, 1969700), (125, 1575760), (200, 984850), (250, 787880), (400, 492425), (500, 393940), (625, 315152), (1000, 196970), (1250, 157576), (2000, 98485), (2500, 78788), (5000, 39394), (10000, 19697)]