19651100

素因数分解:

$2^2\times 5^2\times 7^1\times {\mathrm{67}}^1\times {\mathrm{419}}^1$

素因数の和:507

約数の個数: 72

約数和(自身を含む): 49580160

約数和(自身を除く): 29929060

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 35, 50, 67, 70, 100, 134, 140, 175, 268, 335, 350, 419, 469, 670, 700, 838, 938, 1340, 1675, 1676, 1876, 2095, 2345, 2933, 3350, 4190, 4690, 5866, 6700, 8380, 9380, 10475, 11725, 11732, 14665, 20950, 23450, 28073, 29330, 41900, 46900, 56146, 58660, 73325, 112292, 140365, 146650, 196511, 280730, 293300, 393022, 561460, 701825, 786044, 982555, 1403650, 1965110, 2807300, 3930220, 4912775, 9825550, 19651100]

約数ペア:

[(1, 19651100), (2, 9825550), (4, 4912775), (5, 3930220), (7, 2807300), (10, 1965110), (14, 1403650), (20, 982555), (25, 786044), (28, 701825), (35, 561460), (50, 393022), (67, 293300), (70, 280730), (100, 196511), (134, 146650), (140, 140365), (175, 112292), (268, 73325), (335, 58660), (350, 56146), (419, 46900), (469, 41900), (670, 29330), (700, 28073), (838, 23450), (938, 20950), (1340, 14665), (1675, 11732), (1676, 11725), (1876, 10475), (2095, 9380), (2345, 8380), (2933, 6700), (3350, 5866), (4190, 4690)]