2221860

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{1949}}^1$

素因数の和:1980

約数の個数: 48

約数和(自身を含む): 6552000

約数和(自身を除く): 4330140

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, 1949, 3898, 5847, 7796, 9745, 11694, 19490, 23388, 29235, 37031, 38980, 58470, 74062, 111093, 116940, 148124, 185155, 222186, 370310, 444372, 555465, 740620, 1110930, 2221860]

約数ペア:

[(1, 2221860), (2, 1110930), (3, 740620), (4, 555465), (5, 444372), (6, 370310), (10, 222186), (12, 185155), (15, 148124), (19, 116940), (20, 111093), (30, 74062), (38, 58470), (57, 38980), (60, 37031), (76, 29235), (95, 23388), (114, 19490), (190, 11694), (228, 9745), (285, 7796), (380, 5847), (570, 3898), (1140, 1949)]