215461250

素因数分解:

$2^1\times 5^4\times {\mathrm{97}}^1\times {\mathrm{1777}}^1$

素因数の和:1896

約数の個数: 40

約数和(自身を含む): 408253692

約数和(自身を除く): 192792442

約数列:

[1, 2, 5, 10, 25, 50, 97, 125, 194, 250, 485, 625, 970, 1250, 1777, 2425, 3554, 4850, 8885, 12125, 17770, 24250, 44425, 60625, 88850, 121250, 172369, 222125, 344738, 444250, 861845, 1110625, 1723690, 2221250, 4309225, 8618450, 21546125, 43092250, 107730625, 215461250]

約数ペア:

[(1, 215461250), (2, 107730625), (5, 43092250), (10, 21546125), (25, 8618450), (50, 4309225), (97, 2221250), (125, 1723690), (194, 1110625), (250, 861845), (485, 444250), (625, 344738), (970, 222125), (1250, 172369), (1777, 121250), (2425, 88850), (3554, 60625), (4850, 44425), (8885, 24250), (12125, 17770)]