378291280

素因数分解:

$2^4\times 5^1\times {\mathrm{139}}^1\times {\mathrm{34019}}^1$

素因数の和:34171

約数の個数: 40

約数和(自身を含む): 885880800

約数和(自身を除く): 507589520

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 139, 278, 556, 695, 1112, 1390, 2224, 2780, 5560, 11120, 34019, 68038, 136076, 170095, 272152, 340190, 544304, 680380, 1360760, 2721520, 4728641, 9457282, 18914564, 23643205, 37829128, 47286410, 75658256, 94572820, 189145640, 378291280]

約数ペア:

[(1, 378291280), (2, 189145640), (4, 94572820), (5, 75658256), (8, 47286410), (10, 37829128), (16, 23643205), (20, 18914564), (40, 9457282), (80, 4728641), (139, 2721520), (278, 1360760), (556, 680380), (695, 544304), (1112, 340190), (1390, 272152), (2224, 170095), (2780, 136076), (5560, 68038), (11120, 34019)]