978976190

素因数分解:

$2^1\times 5^1\times {\mathrm{61}}^1\times {\mathrm{149}}^1\times {\mathrm{10771}}^1$

素因数の和:10988

約数の個数: 32

約数和(自身を含む): 1803232800

約数和(自身を除く): 824256610

約数列:

[1, 2, 5, 10, 61, 122, 149, 298, 305, 610, 745, 1490, 9089, 10771, 18178, 21542, 45445, 53855, 90890, 107710, 657031, 1314062, 1604879, 3209758, 3285155, 6570310, 8024395, 16048790, 97897619, 195795238, 489488095, 978976190]

約数ペア:

[(1, 978976190), (2, 489488095), (5, 195795238), (10, 97897619), (61, 16048790), (122, 8024395), (149, 6570310), (298, 3285155), (305, 3209758), (610, 1604879), (745, 1314062), (1490, 657031), (9089, 107710), (10771, 90890), (18178, 53855), (21542, 45445)]