82921720

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{42307}}^1$

素因数の和:42332

約数の個数: 48

約数和(自身を含む): 217040040

約数和(自身を除く): 134118320

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 49, 56, 70, 98, 140, 196, 245, 280, 392, 490, 980, 1960, 42307, 84614, 169228, 211535, 296149, 338456, 423070, 592298, 846140, 1184596, 1480745, 1692280, 2073043, 2369192, 2961490, 4146086, 5922980, 8292172, 10365215, 11845960, 16584344, 20730430, 41460860, 82921720]

約数ペア:

[(1, 82921720), (2, 41460860), (4, 20730430), (5, 16584344), (7, 11845960), (8, 10365215), (10, 8292172), (14, 5922980), (20, 4146086), (28, 2961490), (35, 2369192), (40, 2073043), (49, 1692280), (56, 1480745), (70, 1184596), (98, 846140), (140, 592298), (196, 423070), (245, 338456), (280, 296149), (392, 211535), (490, 169228), (980, 84614), (1960, 42307)]