81248210

素因数分解:

$2^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{149}}^1\times {\mathrm{1759}}^1$

素因数の和:1946

約数の個数: 32

約数和(自身を含む): 152064000

約数和(自身を除く): 70815790

約数列:

[1, 2, 5, 10, 31, 62, 149, 155, 298, 310, 745, 1490, 1759, 3518, 4619, 8795, 9238, 17590, 23095, 46190, 54529, 109058, 262091, 272645, 524182, 545290, 1310455, 2620910, 8124821, 16249642, 40624105, 81248210]

約数ペア:

[(1, 81248210), (2, 40624105), (5, 16249642), (10, 8124821), (31, 2620910), (62, 1310455), (149, 545290), (155, 524182), (298, 272645), (310, 262091), (745, 109058), (1490, 54529), (1759, 46190), (3518, 23095), (4619, 17590), (8795, 9238)]