289463860

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{108821}}^1$

素因数の和:108856

約数の個数: 48

約数和(自身を含む): 731283840

約数和(自身を除く): 441819980

約数列:

[1, 2, 4, 5, 7, 10, 14, 19, 20, 28, 35, 38, 70, 76, 95, 133, 140, 190, 266, 380, 532, 665, 1330, 2660, 108821, 217642, 435284, 544105, 761747, 1088210, 1523494, 2067599, 2176420, 3046988, 3808735, 4135198, 7617470, 8270396, 10337995, 14473193, 15234940, 20675990, 28946386, 41351980, 57892772, 72365965, 144731930, 289463860]

約数ペア:

[(1, 289463860), (2, 144731930), (4, 72365965), (5, 57892772), (7, 41351980), (10, 28946386), (14, 20675990), (19, 15234940), (20, 14473193), (28, 10337995), (35, 8270396), (38, 7617470), (70, 4135198), (76, 3808735), (95, 3046988), (133, 2176420), (140, 2067599), (190, 1523494), (266, 1088210), (380, 761747), (532, 544105), (665, 435284), (1330, 217642), (2660, 108821)]