8999149400

素因数分解:

$2^3\times 5^2\times {\mathrm{107}}^1\times {\mathrm{420521}}^1$

素因数の和:420644

約数の個数: 48

約数和(自身を含む): 21118614840

約数和(自身を除く): 12119465440

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 107, 200, 214, 428, 535, 856, 1070, 2140, 2675, 4280, 5350, 10700, 21400, 420521, 841042, 1682084, 2102605, 3364168, 4205210, 8410420, 10513025, 16820840, 21026050, 42052100, 44995747, 84104200, 89991494, 179982988, 224978735, 359965976, 449957470, 899914940, 1124893675, 1799829880, 2249787350, 4499574700, 8999149400]

約数ペア:

[(1, 8999149400), (2, 4499574700), (4, 2249787350), (5, 1799829880), (8, 1124893675), (10, 899914940), (20, 449957470), (25, 359965976), (40, 224978735), (50, 179982988), (100, 89991494), (107, 84104200), (200, 44995747), (214, 42052100), (428, 21026050), (535, 16820840), (856, 10513025), (1070, 8410420), (2140, 4205210), (2675, 3364168), (4280, 2102605), (5350, 1682084), (10700, 841042), (21400, 420521)]