1886220

素因数分解:

$2^2\times 3^3\times 5^1\times 7^1\times {\mathrm{499}}^1$

素因数の和:524

約数の個数: 96

約数和(自身を含む): 6720000

約数和(自身を除く): 4833780

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 27, 28, 30, 35, 36, 42, 45, 54, 60, 63, 70, 84, 90, 105, 108, 126, 135, 140, 180, 189, 210, 252, 270, 315, 378, 420, 499, 540, 630, 756, 945, 998, 1260, 1497, 1890, 1996, 2495, 2994, 3493, 3780, 4491, 4990, 5988, 6986, 7485, 8982, 9980, 10479, 13473, 13972, 14970, 17465, 17964, 20958, 22455, 26946, 29940, 31437, 34930, 41916, 44910, 52395, 53892, 62874, 67365, 69860, 89820, 94311, 104790, 125748, 134730, 157185, 188622, 209580, 269460, 314370, 377244, 471555, 628740, 943110, 1886220]

約数ペア:

[(1, 1886220), (2, 943110), (3, 628740), (4, 471555), (5, 377244), (6, 314370), (7, 269460), (9, 209580), (10, 188622), (12, 157185), (14, 134730), (15, 125748), (18, 104790), (20, 94311), (21, 89820), (27, 69860), (28, 67365), (30, 62874), (35, 53892), (36, 52395), (42, 44910), (45, 41916), (54, 34930), (60, 31437), (63, 29940), (70, 26946), (84, 22455), (90, 20958), (105, 17964), (108, 17465), (126, 14970), (135, 13972), (140, 13473), (180, 10479), (189, 9980), (210, 8982), (252, 7485), (270, 6986), (315, 5988), (378, 4990), (420, 4491), (499, 3780), (540, 3493), (630, 2994), (756, 2495), (945, 1996), (998, 1890), (1260, 1497)]