9919398860

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{389}}^1\times {\mathrm{182141}}^1$

素因数の和:182546

約数の個数: 48

約数和(自身を含む): 23867887680

約数和(自身を除く): 13948488820

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 389, 778, 1556, 1945, 2723, 3890, 5446, 7780, 10892, 13615, 27230, 54460, 182141, 364282, 728564, 910705, 1274987, 1821410, 2549974, 3642820, 5099948, 6374935, 12749870, 25499740, 70852849, 141705698, 283411396, 354264245, 495969943, 708528490, 991939886, 1417056980, 1983879772, 2479849715, 4959699430, 9919398860]

約数ペア:

[(1, 9919398860), (2, 4959699430), (4, 2479849715), (5, 1983879772), (7, 1417056980), (10, 991939886), (14, 708528490), (20, 495969943), (28, 354264245), (35, 283411396), (70, 141705698), (140, 70852849), (389, 25499740), (778, 12749870), (1556, 6374935), (1945, 5099948), (2723, 3642820), (3890, 2549974), (5446, 1821410), (7780, 1274987), (10892, 910705), (13615, 728564), (27230, 364282), (54460, 182141)]