28057400

素因数分解:

$2^3\times 5^2\times 7^3\times {\mathrm{409}}^1$

素因数の和:446

約数の個数: 96

約数和(自身を含む): 76260000

約数和(自身を除く): 48202600

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 25, 28, 35, 40, 49, 50, 56, 70, 98, 100, 140, 175, 196, 200, 245, 280, 343, 350, 392, 409, 490, 686, 700, 818, 980, 1225, 1372, 1400, 1636, 1715, 1960, 2045, 2450, 2744, 2863, 3272, 3430, 4090, 4900, 5726, 6860, 8180, 8575, 9800, 10225, 11452, 13720, 14315, 16360, 17150, 20041, 20450, 22904, 28630, 34300, 40082, 40900, 57260, 68600, 71575, 80164, 81800, 100205, 114520, 140287, 143150, 160328, 200410, 280574, 286300, 400820, 501025, 561148, 572600, 701435, 801640, 1002050, 1122296, 1402870, 2004100, 2805740, 3507175, 4008200, 5611480, 7014350, 14028700, 28057400]

約数ペア:

[(1, 28057400), (2, 14028700), (4, 7014350), (5, 5611480), (7, 4008200), (8, 3507175), (10, 2805740), (14, 2004100), (20, 1402870), (25, 1122296), (28, 1002050), (35, 801640), (40, 701435), (49, 572600), (50, 561148), (56, 501025), (70, 400820), (98, 286300), (100, 280574), (140, 200410), (175, 160328), (196, 143150), (200, 140287), (245, 114520), (280, 100205), (343, 81800), (350, 80164), (392, 71575), (409, 68600), (490, 57260), (686, 40900), (700, 40082), (818, 34300), (980, 28630), (1225, 22904), (1372, 20450), (1400, 20041), (1636, 17150), (1715, 16360), (1960, 14315), (2045, 13720), (2450, 11452), (2744, 10225), (2863, 9800), (3272, 8575), (3430, 8180), (4090, 6860), (4900, 5726)]