255628540

素因数分解:

$2^2\times 5^1\times {\mathrm{53}}^1\times {\mathrm{349}}^1\times {\mathrm{691}}^1$

素因数の和:1102

約数の個数: 48

約数和(自身を含む): 549309600

約数和(自身を除く): 293681060

約数列:

[1, 2, 4, 5, 10, 20, 53, 106, 212, 265, 349, 530, 691, 698, 1060, 1382, 1396, 1745, 2764, 3455, 3490, 6910, 6980, 13820, 18497, 36623, 36994, 73246, 73988, 92485, 146492, 183115, 184970, 241159, 366230, 369940, 482318, 732460, 964636, 1205795, 2411590, 4823180, 12781427, 25562854, 51125708, 63907135, 127814270, 255628540]

約数ペア:

[(1, 255628540), (2, 127814270), (4, 63907135), (5, 51125708), (10, 25562854), (20, 12781427), (53, 4823180), (106, 2411590), (212, 1205795), (265, 964636), (349, 732460), (530, 482318), (691, 369940), (698, 366230), (1060, 241159), (1382, 184970), (1396, 183115), (1745, 146492), (2764, 92485), (3455, 73988), (3490, 73246), (6910, 36994), (6980, 36623), (13820, 18497)]