68289800

素因数分解:

$2^3\times 5^2\times {\mathrm{19}}^1\times {\mathrm{17971}}^1$

素因数の和:18006

約数の個数: 48

約数和(自身を含む): 167139600

約数和(自身を除く): 98849800

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 25, 38, 40, 50, 76, 95, 100, 152, 190, 200, 380, 475, 760, 950, 1900, 3800, 17971, 35942, 71884, 89855, 143768, 179710, 341449, 359420, 449275, 682898, 718840, 898550, 1365796, 1707245, 1797100, 2731592, 3414490, 3594200, 6828980, 8536225, 13657960, 17072450, 34144900, 68289800]

約数ペア:

[(1, 68289800), (2, 34144900), (4, 17072450), (5, 13657960), (8, 8536225), (10, 6828980), (19, 3594200), (20, 3414490), (25, 2731592), (38, 1797100), (40, 1707245), (50, 1365796), (76, 898550), (95, 718840), (100, 682898), (152, 449275), (190, 359420), (200, 341449), (380, 179710), (475, 143768), (760, 89855), (950, 71884), (1900, 35942), (3800, 17971)]