2290000

素因数分解:

$2^4\times 5^4\times {\mathrm{229}}^1$

素因数の和:257

約数の個数: 50

約数和(自身を含む): 5568530

約数和(自身を除く): 3278530

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 125, 200, 229, 250, 400, 458, 500, 625, 916, 1000, 1145, 1250, 1832, 2000, 2290, 2500, 3664, 4580, 5000, 5725, 9160, 10000, 11450, 18320, 22900, 28625, 45800, 57250, 91600, 114500, 143125, 229000, 286250, 458000, 572500, 1145000, 2290000]

約数ペア:

[(1, 2290000), (2, 1145000), (4, 572500), (5, 458000), (8, 286250), (10, 229000), (16, 143125), (20, 114500), (25, 91600), (40, 57250), (50, 45800), (80, 28625), (100, 22900), (125, 18320), (200, 11450), (229, 10000), (250, 9160), (400, 5725), (458, 5000), (500, 4580), (625, 3664), (916, 2500), (1000, 2290), (1145, 2000), (1250, 1832)]