68497100

素因数分解:

$2^2\times 5^2\times 7^3\times {\mathrm{1997}}^1$

素因数の和:2032

約数の個数: 72

約数和(自身を含む): 173426400

約数和(自身を除く): 104929300

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 35, 49, 50, 70, 98, 100, 140, 175, 196, 245, 343, 350, 490, 686, 700, 980, 1225, 1372, 1715, 1997, 2450, 3430, 3994, 4900, 6860, 7988, 8575, 9985, 13979, 17150, 19970, 27958, 34300, 39940, 49925, 55916, 69895, 97853, 99850, 139790, 195706, 199700, 279580, 349475, 391412, 489265, 684971, 698950, 978530, 1369942, 1397900, 1957060, 2446325, 2739884, 3424855, 4892650, 6849710, 9785300, 13699420, 17124275, 34248550, 68497100]

約数ペア:

[(1, 68497100), (2, 34248550), (4, 17124275), (5, 13699420), (7, 9785300), (10, 6849710), (14, 4892650), (20, 3424855), (25, 2739884), (28, 2446325), (35, 1957060), (49, 1397900), (50, 1369942), (70, 978530), (98, 698950), (100, 684971), (140, 489265), (175, 391412), (196, 349475), (245, 279580), (343, 199700), (350, 195706), (490, 139790), (686, 99850), (700, 97853), (980, 69895), (1225, 55916), (1372, 49925), (1715, 39940), (1997, 34300), (2450, 27958), (3430, 19970), (3994, 17150), (4900, 13979), (6860, 9985), (7988, 8575)]