1299700

素因数分解:

$2^2\times 5^2\times {\mathrm{41}}^1\times {\mathrm{317}}^1$

素因数の和:372

約数の個数: 36

約数和(自身を含む): 2898252

約数和(自身を除く): 1598552

約数列:

[1, 2, 4, 5, 10, 20, 25, 41, 50, 82, 100, 164, 205, 317, 410, 634, 820, 1025, 1268, 1585, 2050, 3170, 4100, 6340, 7925, 12997, 15850, 25994, 31700, 51988, 64985, 129970, 259940, 324925, 649850, 1299700]

約数ペア:

[(1, 1299700), (2, 649850), (4, 324925), (5, 259940), (10, 129970), (20, 64985), (25, 51988), (41, 31700), (50, 25994), (82, 15850), (100, 12997), (164, 7925), (205, 6340), (317, 4100), (410, 3170), (634, 2050), (820, 1585), (1025, 1268)]