1098889190

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{1123}}^1\times {\mathrm{1997}}^1$

素因数の和:3141

約数の個数: 48

約数和(自身を含む): 2304141552

約数和(自身を除く): 1205252362

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 70, 98, 245, 490, 1123, 1997, 2246, 3994, 5615, 7861, 9985, 11230, 13979, 15722, 19970, 27958, 39305, 55027, 69895, 78610, 97853, 110054, 139790, 195706, 275135, 489265, 550270, 978530, 2242631, 4485262, 11213155, 15698417, 22426310, 31396834, 78492085, 109888919, 156984170, 219777838, 549444595, 1098889190]

約数ペア:

[(1, 1098889190), (2, 549444595), (5, 219777838), (7, 156984170), (10, 109888919), (14, 78492085), (35, 31396834), (49, 22426310), (70, 15698417), (98, 11213155), (245, 4485262), (490, 2242631), (1123, 978530), (1997, 550270), (2246, 489265), (3994, 275135), (5615, 195706), (7861, 139790), (9985, 110054), (11230, 97853), (13979, 78610), (15722, 69895), (19970, 55027), (27958, 39305)]