3946980

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{157}}^1\times {\mathrm{419}}^1$

素因数の和:588

約数の個数: 48

約数和(自身を含む): 11148480

約数和(自身を除く): 7201500

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 157, 314, 419, 471, 628, 785, 838, 942, 1257, 1570, 1676, 1884, 2095, 2355, 2514, 3140, 4190, 4710, 5028, 6285, 8380, 9420, 12570, 25140, 65783, 131566, 197349, 263132, 328915, 394698, 657830, 789396, 986745, 1315660, 1973490, 3946980]

約数ペア:

[(1, 3946980), (2, 1973490), (3, 1315660), (4, 986745), (5, 789396), (6, 657830), (10, 394698), (12, 328915), (15, 263132), (20, 197349), (30, 131566), (60, 65783), (157, 25140), (314, 12570), (419, 9420), (471, 8380), (628, 6285), (785, 5028), (838, 4710), (942, 4190), (1257, 3140), (1570, 2514), (1676, 2355), (1884, 2095)]