19693100

素因数分解:

$2^2\times 5^2\times 7^2\times {\mathrm{4019}}^1$

素因数の和:4047

約数の個数: 54

約数和(自身を含む): 49723380

約数和(自身を除く): 30030280

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 35, 49, 50, 70, 98, 100, 140, 175, 196, 245, 350, 490, 700, 980, 1225, 2450, 4019, 4900, 8038, 16076, 20095, 28133, 40190, 56266, 80380, 100475, 112532, 140665, 196931, 200950, 281330, 393862, 401900, 562660, 703325, 787724, 984655, 1406650, 1969310, 2813300, 3938620, 4923275, 9846550, 19693100]

約数ペア:

[(1, 19693100), (2, 9846550), (4, 4923275), (5, 3938620), (7, 2813300), (10, 1969310), (14, 1406650), (20, 984655), (25, 787724), (28, 703325), (35, 562660), (49, 401900), (50, 393862), (70, 281330), (98, 200950), (100, 196931), (140, 140665), (175, 112532), (196, 100475), (245, 80380), (350, 56266), (490, 40190), (700, 28133), (980, 20095), (1225, 16076), (2450, 8038), (4019, 4900)]