902688400

素因数分解:

$2^4\times 5^2\times {\mathrm{2256721}}^1$

素因数の和:2256739

約数の個数: 30

約数和(自身を含む): 2168709842

約数和(自身を除く): 1266021442

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 200, 400, 2256721, 4513442, 9026884, 11283605, 18053768, 22567210, 36107536, 45134420, 56418025, 90268840, 112836050, 180537680, 225672100, 451344200, 902688400]

約数ペア:

[(1, 902688400), (2, 451344200), (4, 225672100), (5, 180537680), (8, 112836050), (10, 90268840), (16, 56418025), (20, 45134420), (25, 36107536), (40, 22567210), (50, 18053768), (80, 11283605), (100, 9026884), (200, 4513442), (400, 2256721)]