90137200

素因数分解:

$2^4\times 5^2\times {\mathrm{225343}}^1$

素因数の和:225361

約数の個数: 30

約数和(自身を含む): 216555584

約数和(自身を除く): 126418384

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 200, 400, 225343, 450686, 901372, 1126715, 1802744, 2253430, 3605488, 4506860, 5633575, 9013720, 11267150, 18027440, 22534300, 45068600, 90137200]

約数ペア:

[(1, 90137200), (2, 45068600), (4, 22534300), (5, 18027440), (8, 11267150), (10, 9013720), (16, 5633575), (20, 4506860), (25, 3605488), (40, 2253430), (50, 1802744), (80, 1126715), (100, 901372), (200, 450686), (400, 225343)]