784858990

素因数分解:

$2^1\times 5^1\times {\mathrm{131}}^1\times {\mathrm{149}}^1\times {\mathrm{4021}}^1$

素因数の和:4308

約数の個数: 32

約数和(自身を含む): 1433440800

約数和(自身を除く): 648581810

約数列:

[1, 2, 5, 10, 131, 149, 262, 298, 655, 745, 1310, 1490, 4021, 8042, 19519, 20105, 39038, 40210, 97595, 195190, 526751, 599129, 1053502, 1198258, 2633755, 2995645, 5267510, 5991290, 78485899, 156971798, 392429495, 784858990]

約数ペア:

[(1, 784858990), (2, 392429495), (5, 156971798), (10, 78485899), (131, 5991290), (149, 5267510), (262, 2995645), (298, 2633755), (655, 1198258), (745, 1053502), (1310, 599129), (1490, 526751), (4021, 195190), (8042, 97595), (19519, 40210), (20105, 39038)]