90648400

素因数分解:

$2^4\times 5^2\times {\mathrm{226621}}^1$

素因数の和:226639

約数の個数: 30

約数和(自身を含む): 217783742

約数和(自身を除く): 127135342

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 200, 400, 226621, 453242, 906484, 1133105, 1812968, 2266210, 3625936, 4532420, 5665525, 9064840, 11331050, 18129680, 22662100, 45324200, 90648400]

約数ペア:

[(1, 90648400), (2, 45324200), (4, 22662100), (5, 18129680), (8, 11331050), (10, 9064840), (16, 5665525), (20, 4532420), (25, 3625936), (40, 2266210), (50, 1812968), (80, 1133105), (100, 906484), (200, 453242), (400, 226621)]