47947970

素因数分解:

$2^1\times 5^1\times 7^4\times {\mathrm{1997}}^1$

素因数の和:2032

約数の個数: 40

約数和(自身を含む): 100735164

約数和(自身を除く): 52787194

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 70, 98, 245, 343, 490, 686, 1715, 1997, 2401, 3430, 3994, 4802, 9985, 12005, 13979, 19970, 24010, 27958, 69895, 97853, 139790, 195706, 489265, 684971, 978530, 1369942, 3424855, 4794797, 6849710, 9589594, 23973985, 47947970]

約数ペア:

[(1, 47947970), (2, 23973985), (5, 9589594), (7, 6849710), (10, 4794797), (14, 3424855), (35, 1369942), (49, 978530), (70, 684971), (98, 489265), (245, 195706), (343, 139790), (490, 97853), (686, 69895), (1715, 27958), (1997, 24010), (2401, 19970), (3430, 13979), (3994, 12005), (4802, 9985)]