495341020

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{359}}^1\times {\mathrm{3631}}^1$

素因数の和:4018

約数の個数: 48

約数和(自身を含む): 1098316800

約数和(自身を除く): 602975780

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 359, 380, 718, 1436, 1795, 3590, 3631, 6821, 7180, 7262, 13642, 14524, 18155, 27284, 34105, 36310, 68210, 68989, 72620, 136420, 137978, 275956, 344945, 689890, 1303529, 1379780, 2607058, 5214116, 6517645, 13035290, 24767051, 26070580, 49534102, 99068204, 123835255, 247670510, 495341020]

約数ペア:

[(1, 495341020), (2, 247670510), (4, 123835255), (5, 99068204), (10, 49534102), (19, 26070580), (20, 24767051), (38, 13035290), (76, 6517645), (95, 5214116), (190, 2607058), (359, 1379780), (380, 1303529), (718, 689890), (1436, 344945), (1795, 275956), (3590, 137978), (3631, 136420), (6821, 72620), (7180, 68989), (7262, 68210), (13642, 36310), (14524, 34105), (18155, 27284)]