971303480

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{495563}}^1$

素因数の和:495588

約数の個数: 48

約数和(自身を含む): 2542243320

約数和(自身を除く): 1570939840

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, 495563, 991126, 1982252, 2477815, 3468941, 3964504, 4955630, 6937882, 9911260, 13875764, 17344705, 19822520, 24282587, 27751528, 34689410, 48565174, 69378820, 97130348, 121412935, 138757640, 194260696, 242825870, 485651740, 971303480]

約数ペア:

[(1, 971303480), (2, 485651740), (4, 242825870), (5, 194260696), (7, 138757640), (8, 121412935), (10, 97130348), (14, 69378820), (20, 48565174), (28, 34689410), (35, 27751528), (40, 24282587), (49, 19822520), (56, 17344705), (70, 13875764), (98, 9911260), (140, 6937882), (196, 4955630), (245, 3964504), (280, 3468941), (392, 2477815), (490, 1982252), (980, 991126), (1960, 495563)]