890503400

素因数分解:

$2^3\times 5^2\times {\mathrm{19}}^1\times {\mathrm{234343}}^1$

素因数の和:234378

約数の個数: 48

約数和(自身を含む): 2179399200

約数和(自身を除く): 1288895800

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 25, 38, 40, 50, 76, 95, 100, 152, 190, 200, 380, 475, 760, 950, 1900, 3800, 234343, 468686, 937372, 1171715, 1874744, 2343430, 4452517, 4686860, 5858575, 8905034, 9373720, 11717150, 17810068, 22262585, 23434300, 35620136, 44525170, 46868600, 89050340, 111312925, 178100680, 222625850, 445251700, 890503400]

約数ペア:

[(1, 890503400), (2, 445251700), (4, 222625850), (5, 178100680), (8, 111312925), (10, 89050340), (19, 46868600), (20, 44525170), (25, 35620136), (38, 23434300), (40, 22262585), (50, 17810068), (76, 11717150), (95, 9373720), (100, 8905034), (152, 5858575), (190, 4686860), (200, 4452517), (380, 2343430), (475, 1874744), (760, 1171715), (950, 937372), (1900, 468686), (3800, 234343)]