2139780

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{1877}}^1$

素因数の和:1908

約数の個数: 48

約数和(自身を含む): 6310080

約数和(自身を除く): 4170300

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, 570, 1140, 1877, 3754, 5631, 7508, 9385, 11262, 18770, 22524, 28155, 35663, 37540, 56310, 71326, 106989, 112620, 142652, 178315, 213978, 356630, 427956, 534945, 713260, 1069890, 2139780]

約数ペア:

[(1, 2139780), (2, 1069890), (3, 713260), (4, 534945), (5, 427956), (6, 356630), (10, 213978), (12, 178315), (15, 142652), (19, 112620), (20, 106989), (30, 71326), (38, 56310), (57, 37540), (60, 35663), (76, 28155), (95, 22524), (114, 18770), (190, 11262), (228, 9385), (285, 7508), (380, 5631), (570, 3754), (1140, 1877)]