28809400

素因数分解:

$2^3\times 5^2\times {\mathrm{283}}^1\times {\mathrm{509}}^1$

素因数の和:808

約数の個数: 48

約数和(自身を含む): 67350600

約数和(自身を除く): 38541200

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 200, 283, 509, 566, 1018, 1132, 1415, 2036, 2264, 2545, 2830, 4072, 5090, 5660, 7075, 10180, 11320, 12725, 14150, 20360, 25450, 28300, 50900, 56600, 101800, 144047, 288094, 576188, 720235, 1152376, 1440470, 2880940, 3601175, 5761880, 7202350, 14404700, 28809400]

約数ペア:

[(1, 28809400), (2, 14404700), (4, 7202350), (5, 5761880), (8, 3601175), (10, 2880940), (20, 1440470), (25, 1152376), (40, 720235), (50, 576188), (100, 288094), (200, 144047), (283, 101800), (509, 56600), (566, 50900), (1018, 28300), (1132, 25450), (1415, 20360), (2036, 14150), (2264, 12725), (2545, 11320), (2830, 10180), (4072, 7075), (5090, 5660)]