30850400

素因数分解:

$2^5\times 5^2\times 7^2\times {\mathrm{787}}^1$

素因数の和:821

約数の個数: 108

約数和(自身を含む): 87720948

約数和(自身を除く): 56870548

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 25, 28, 32, 35, 40, 49, 50, 56, 70, 80, 98, 100, 112, 140, 160, 175, 196, 200, 224, 245, 280, 350, 392, 400, 490, 560, 700, 784, 787, 800, 980, 1120, 1225, 1400, 1568, 1574, 1960, 2450, 2800, 3148, 3920, 3935, 4900, 5509, 5600, 6296, 7840, 7870, 9800, 11018, 12592, 15740, 19600, 19675, 22036, 25184, 27545, 31480, 38563, 39200, 39350, 44072, 55090, 62960, 77126, 78700, 88144, 110180, 125920, 137725, 154252, 157400, 176288, 192815, 220360, 275450, 308504, 314800, 385630, 440720, 550900, 617008, 629600, 771260, 881440, 964075, 1101800, 1234016, 1542520, 1928150, 2203600, 3085040, 3856300, 4407200, 6170080, 7712600, 15425200, 30850400]

約数ペア:

[(1, 30850400), (2, 15425200), (4, 7712600), (5, 6170080), (7, 4407200), (8, 3856300), (10, 3085040), (14, 2203600), (16, 1928150), (20, 1542520), (25, 1234016), (28, 1101800), (32, 964075), (35, 881440), (40, 771260), (49, 629600), (50, 617008), (56, 550900), (70, 440720), (80, 385630), (98, 314800), (100, 308504), (112, 275450), (140, 220360), (160, 192815), (175, 176288), (196, 157400), (200, 154252), (224, 137725), (245, 125920), (280, 110180), (350, 88144), (392, 78700), (400, 77126), (490, 62960), (560, 55090), (700, 44072), (784, 39350), (787, 39200), (800, 38563), (980, 31480), (1120, 27545), (1225, 25184), (1400, 22036), (1568, 19675), (1574, 19600), (1960, 15740), (2450, 12592), (2800, 11018), (3148, 9800), (3920, 7870), (3935, 7840), (4900, 6296), (5509, 5600)]