897200

素因数分解:

$2^4\times 5^2\times {\mathrm{2243}}^1$

素因数の和:2261

約数の個数: 30

約数和(自身を含む): 2156484

約数和(自身を除く): 1259284

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 200, 400, 2243, 4486, 8972, 11215, 17944, 22430, 35888, 44860, 56075, 89720, 112150, 179440, 224300, 448600, 897200]

約数ペア:

[(1, 897200), (2, 448600), (4, 224300), (5, 179440), (8, 112150), (10, 89720), (16, 56075), (20, 44860), (25, 35888), (40, 22430), (50, 17944), (80, 11215), (100, 8972), (200, 4486), (400, 2243)]