491340

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{431}}^1$

素因数の和:462

約数の個数: 48

約数和(自身を含む): 1451520

約数和(自身を除く): 960180

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 19, 20, 30, 38, 57, 60, 76, 95, 114, 190, 228, 285, 380, 431, 570, 862, 1140, 1293, 1724, 2155, 2586, 4310, 5172, 6465, 8189, 8620, 12930, 16378, 24567, 25860, 32756, 40945, 49134, 81890, 98268, 122835, 163780, 245670, 491340]

約数ペア:

[(1, 491340), (2, 245670), (3, 163780), (4, 122835), (5, 98268), (6, 81890), (10, 49134), (12, 40945), (15, 32756), (19, 25860), (20, 24567), (30, 16378), (38, 12930), (57, 8620), (60, 8189), (76, 6465), (95, 5172), (114, 4310), (190, 2586), (228, 2155), (285, 1724), (380, 1293), (431, 1140), (570, 862)]