2015280980

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{311963}}^1$

素因数の和:312008

約数の個数: 48

約数和(自身を含む): 4716895680

約数和(自身を除く): 2701614700

約数列:

[1, 2, 4, 5, 10, 17, 19, 20, 34, 38, 68, 76, 85, 95, 170, 190, 323, 340, 380, 646, 1292, 1615, 3230, 6460, 311963, 623926, 1247852, 1559815, 3119630, 5303371, 5927297, 6239260, 10606742, 11854594, 21213484, 23709188, 26516855, 29636485, 53033710, 59272970, 100764049, 106067420, 118545940, 201528098, 403056196, 503820245, 1007640490, 2015280980]

約数ペア:

[(1, 2015280980), (2, 1007640490), (4, 503820245), (5, 403056196), (10, 201528098), (17, 118545940), (19, 106067420), (20, 100764049), (34, 59272970), (38, 53033710), (68, 29636485), (76, 26516855), (85, 23709188), (95, 21213484), (170, 11854594), (190, 10606742), (323, 6239260), (340, 5927297), (380, 5303371), (646, 3119630), (1292, 1559815), (1615, 1247852), (3230, 623926), (6460, 311963)]