291222080

素因数分解:

$2^6\times 5^1\times {\mathrm{910069}}^1$

素因数の和:910086

約数の個数: 28

約数和(自身を含む): 693473340

約数和(自身を除く): 402251260

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 910069, 1820138, 3640276, 4550345, 7280552, 9100690, 14561104, 18201380, 29122208, 36402760, 58244416, 72805520, 145611040, 291222080]

約数ペア:

[(1, 291222080), (2, 145611040), (4, 72805520), (5, 58244416), (8, 36402760), (10, 29122208), (16, 18201380), (20, 14561104), (32, 9100690), (40, 7280552), (64, 4550345), (80, 3640276), (160, 1820138), (320, 910069)]