2563400

素因数分解:

$2^3\times 5^2\times 7^1\times {\mathrm{1831}}^1$

素因数の和:1854

約数の個数: 48

約数和(自身を含む): 6815040

約数和(自身を除く): 4251640

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 25, 28, 35, 40, 50, 56, 70, 100, 140, 175, 200, 280, 350, 700, 1400, 1831, 3662, 7324, 9155, 12817, 14648, 18310, 25634, 36620, 45775, 51268, 64085, 73240, 91550, 102536, 128170, 183100, 256340, 320425, 366200, 512680, 640850, 1281700, 2563400]

約数ペア:

[(1, 2563400), (2, 1281700), (4, 640850), (5, 512680), (7, 366200), (8, 320425), (10, 256340), (14, 183100), (20, 128170), (25, 102536), (28, 91550), (35, 73240), (40, 64085), (50, 51268), (56, 45775), (70, 36620), (100, 25634), (140, 18310), (175, 14648), (200, 12817), (280, 9155), (350, 7324), (700, 3662), (1400, 1831)]