201394000

素因数分解:

$2^4\times 5^3\times {\mathrm{101}}^1\times {\mathrm{997}}^1$

素因数の和:1121

約数の個数: 80

約数和(自身を含む): 492285456

約数和(自身を除く): 290891456

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 101, 125, 200, 202, 250, 400, 404, 500, 505, 808, 997, 1000, 1010, 1616, 1994, 2000, 2020, 2525, 3988, 4040, 4985, 5050, 7976, 8080, 9970, 10100, 12625, 15952, 19940, 20200, 24925, 25250, 39880, 40400, 49850, 50500, 79760, 99700, 100697, 101000, 124625, 199400, 201394, 202000, 249250, 398800, 402788, 498500, 503485, 805576, 997000, 1006970, 1611152, 1994000, 2013940, 2517425, 4027880, 5034850, 8055760, 10069700, 12587125, 20139400, 25174250, 40278800, 50348500, 100697000, 201394000]

約数ペア:

[(1, 201394000), (2, 100697000), (4, 50348500), (5, 40278800), (8, 25174250), (10, 20139400), (16, 12587125), (20, 10069700), (25, 8055760), (40, 5034850), (50, 4027880), (80, 2517425), (100, 2013940), (101, 1994000), (125, 1611152), (200, 1006970), (202, 997000), (250, 805576), (400, 503485), (404, 498500), (500, 402788), (505, 398800), (808, 249250), (997, 202000), (1000, 201394), (1010, 199400), (1616, 124625), (1994, 101000), (2000, 100697), (2020, 99700), (2525, 79760), (3988, 50500), (4040, 49850), (4985, 40400), (5050, 39880), (7976, 25250), (8080, 24925), (9970, 20200), (10100, 19940), (12625, 15952)]