138305940

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{121321}}^1$

素因数の和:121352

約数の個数: 48

約数和(自身を含む): 407641920

約数和(自身を除く): 269335980

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, 121321, 242642, 363963, 485284, 606605, 727926, 1213210, 1455852, 1819815, 2305099, 2426420, 3639630, 4610198, 6915297, 7279260, 9220396, 11525495, 13830594, 23050990, 27661188, 34576485, 46101980, 69152970, 138305940]

約数ペア:

[(1, 138305940), (2, 69152970), (3, 46101980), (4, 34576485), (5, 27661188), (6, 23050990), (10, 13830594), (12, 11525495), (15, 9220396), (19, 7279260), (20, 6915297), (30, 4610198), (38, 3639630), (57, 2426420), (60, 2305099), (76, 1819815), (95, 1455852), (114, 1213210), (190, 727926), (228, 606605), (285, 485284), (380, 363963), (570, 242642), (1140, 121321)]